Carolin Frueh
(she/her/hers)
2014 -
Harold DeGroff Associate Professor of Aeronautics and Astronautics
Degrees
Ph.D., Physics with Specialization in Astronomy, University of Bern, Switzerland, 2011
MS of Science, Karlsruhe Institute of Technology, Germany, 2006
MS of Science, Karlsruhe Institute of Technology, Germany, 2006
Contact
701 W. Stadium Ave.
West Lafayette, IN 47907-2045
West Lafayette, IN 47907-2045
Awards and Major Appointments
The Elmer F. Bruhn Teaching Award, 2021
DAAD Faculty Award, German Space Operations Center at DLR, 2017, 2020-2021
Recognized among Outstanding Engineering Teachers, Summer-Fall, 2019
Best Presentation Award, Advanced Maui Optical and Space Surveillance Technology (AMOS) Conf., 2019
Purdue Faculty Summer Fellowship Europe, 2019
NASA summer visiting faculty, NASA Johnson Space Center, 2018
US National Research Council Postdoctoral Fellowship, Air Force Research Lab, 2012/2013
DAAD Faculty Award, German Space Operations Center at DLR, 2017, 2020-2021
Recognized among Outstanding Engineering Teachers, Summer-Fall, 2019
Best Presentation Award, Advanced Maui Optical and Space Surveillance Technology (AMOS) Conf., 2019
Purdue Faculty Summer Fellowship Europe, 2019
NASA summer visiting faculty, NASA Johnson Space Center, 2018
US National Research Council Postdoctoral Fellowship, Air Force Research Lab, 2012/2013
Research Areas
Space Domain Awareness and Space Traffic Management in the Near-Earth and Cislunar Region: Surveillance, Detection & Tracking, Object Characterization of satellites and space debris in the Near-Earth and Cislunar Realm, Astrodynamics, Image Processing, Overhead Surveillance and Processing (e.g. Airplanes, ground structures), Sensor Tasking, Low Observability Systems, Information Quantification and Retrieval, Machine Learning.
Publications
Name transcriptions, which are in use: Frueh, Früh (misspelling: Fruh)
B. Baker-McEvilly, S. Bhadauria, D. Canales and C. Frueh, A comprehensive review on Cislunar operations and expansion, Progress in Aerospace Sciences, submitted 2023
D. Kobayashi, C. Frueh, Image Recovery of LEO Objects
by Leveraging Optical Turbulence and Light Curves, Journal of Guidance, Control, and Dynamics, accepted 2023
P. Ravi, A. Black, C. Frueh, Investigation of Atlas V Centaur Upper Stage Fragmentation Events, Journal of Astronautical Sciences, 10.1007/s40295-023-00377-9, March 2023
S.N. Paul, B. Little, C. Frueh, Detection of Unknown Space Objects Based on Optimal Sensor Tasking and Hypothesis Surfaces Using Variational Equations, Journal of Astronautical Sciences, 10.1007/s40295-022-00333-z, July 2022
A. Friedman, C. Frueh, Observability of Light Curve Inversion for Shape and Feature Determination Exemplified by a Case Analysis, Journal of Astronautical Sciences, 69, 537–569, 10.1007/s40295-021-00293-w, Feb 2022
R. Mellish, C. Frueh, An Automated Taxonomy for Human-Made Objects in Geosynchronous Orbits, Journal of Astronautical Sciences, 68. 480 - 502, 10.1007/s40295-021-00259-y, May 2021
S. Nandan Paul. C. Frueh, Analytical Expressions for Orbital Perturbations Due to Lorentz Force, Acta Astronautics, 182, 466 - 485, 0.1016/j.actaastro.2021.01.056, May 2021
A. Friedman, C. Frueh, Observability and Estimability Analysis of Geosynchronous Objects with Angles-Only Measurements, Journal of Astronautical Sciences, Vol. 68, pp. 503–534, 10.1007/s40295-021-00261-4, May 2021.
R. Serra, C. Yanez, C. Frueh, Tracklet-to-Orbit Association for Maneuvering Space Objects using Optimal Control Theory, Acta Astronautica, Vol. 181, pp. 271-281, 10.1016/j.actaastro.2021.01.026, April 2021
R. Sanaga, C. Frueh, Probability Hypothesis Density Filter with Uncertainty in the Probability of Detection, Advances in Space Research, Vol. 67, 5, pp. 1437-1453, 10.1016/j.asr.2020.11.035, March 2021
B. Little, C. Frueh, Multiple Heterogeneous Sensor Tasking Optimization in the Absence of Measurement Feedback, Journal of Astronautical Sciences, Vol. 67, pp. 1678–1707, 10.1007%2Fs40295-020-00232-1, Sep. 2020
N. Houtz, C. Frueh, Low Cost Optical Attitude Determination for Stable and Rotating Small- Sat Platforms, Journal of Guidance, Control and Dynamics, submitted April 2020
B. Little, C. Frueh, SSA Sensor Tasking: Comparison of Machine Learning with Classical Optimization Methods, Journal of Guidance, Control and Dynamics, Vol. 43, 2, 10.2514/1.G004279, Dec 2019
F. Sanson, C. Frueh, Noise Estimation and Probability of Detection in Nonresolved Images: Application to Space Object Observation, Advances in Space Research, Vol. 64, Issue 7, pp. 1432-1444, 10.1016/j.asr.2019.07.003, Oct 2019
S. Fan, C. Frueh, A Direct Light Curve Inversion Scheme in the Presence of Measurement Noise, Journal of Astronautical Sciences, Vol. 67, pp. 740–761, 10.1007/s40295-019-00190-3, Aug 2019
M. Delande, J. Houssineau, J. Franco, C. Frueh, D. Clark, M. Jah, A new multitarget tracking algorithm for a large number of orbiting objects, Advances in Space Research, Vol. 64, Issue 3, pp. 645-667, 10.1016/j.asr.2019.04.012, Aug 2019
F. Sanson, C. Frueh, Quantifying Uncertainties in Signal Position in non-resolved Object Images: Application to Space Object Observation, Advances in Space Research, Vol. 63, Issue 8, pp. 2436-2454, 10.1016/j.asr.2018.12.040, Apr. 2019
A. Buzzoni, G. Altavilla, S. Fan, I. Froppiani, C. Frueh, M. Micheli, J. Nomen, N. Sanchez Ortiz, Physical characterization of the deep-space debris WT1190F: a testbed for advanced SSA techniques, Advances in Space Research, Vol. 63, Issue 1, pp. 371-393, 10.1016/j.asr.2018.07.025, Jan 2019
R. Eapen, C. Frueh, Averaged Solar Radiation Pressure Modeling for High Area-to-Mass Ratio Objects in Geosynchronous Orbits, Advances in Space Research, Vol. 63, Issue 1, pp. 127-141, 10.1016/j.asr.2018.03.042, Jul 2018
A. Buzzoni, D. Koschny, G. Drolshagen, E. Perozzi, O. Hainaut, S. Lemmens, G. Altavilla, I. Foppiani, J. Nomen, N. S ́anchez-Ortiz, W. Marinello, G. Pizzetti, A. Soffiantini, S. Fan, C. Frueh, The observing campaign on the deep-space debris WT1190F as a test case for short- warning NEO impacts, Icarus, Vol. 304, pp. 4-8, 10.1016/j.icarus.2017.10.006, Jul 2018
A. Friedman, C. Frueh, Determining Characteristics of Artificial Near-Earth Objects using Observability Analysis, Acta Astronautica, Vol. 144, pp. 405-421, 10.1016/j.actaastro.2017.12.028, 2018
C. Frueh, H. Fiedler, J. Herzog, Heuristic and Optimized Sensor Tasking Observation Strategies with Exemplification for Geosynchronous Objects, Journal of Guidance, Control, and Dynamics, Vol. 41, No. 5, pp. 1036-1048, 10.2514/1.G003123, 2018
S.N. Paul, C. Frueh, Space Object Charging and its Effect on Orbit Evolution, Journal of Guidance, Control, and Dynamics, Vol. 40, No. 12, pp. 3180-3198, 10.2514/1.G002733, Sep 2017
M. Delande, C. Frueh, J. Franco, J. Houssineau, D. Clark, Novel Multi-Object Filtering Approach for Space Situational Awareness, Journal of Guidance, Control, and Dynamics, Vol. 41, No. 1, pp. 59-73, 10.2514/1.G002067, Jul 2017
C. Frueh, Modeling Impacts on Space Situational Awareness PHD-filter Tracking, CMES: Special Issue on Computational Methods in Celestial Mechanics, Vol.111, no.1, pp.171-201, 0.3970/cmes.2016.111.171, 2016
K.J. DeMars, I.I. Hussein, C. Frueh, M.K. Jah, R. S. Erwin, Multiple Object Space Surveillance Tracking Using Finite Set Statistics, Journal of Guidance, Control, and Dynamics, Battin Issue, Vol. 38, No. 9, pp. 1741-1756, 10.2514/1.G000987, Sep 2015
C. Früh, M. Jah, Efficient High Area-to-Mass ratio (HAMR) Object Propagation including Self-Shadowing, Acta Astronautica, Vol. 95, pp. 227 - 241, 10.1016/j.actaastro.2013.11.017, Feb 2014
C. Früh, M. Jah, Attitude and Orbit Propagation using a Semi-Coupled Approach, Journal of the Astronautical Sciences, Vol. 60, Issue 1, pp. 32–50, doi:10.1007/s40295-014-0013-1, Feb 2014
C. Früh, T. Kelecy, M. Jah, Coupled Orbit-Attitude Dynamics of High Area-to-Mass Ratio (HAMR) Objects: Influence of Solar Radiation Pressure, Earth's Shadow and the Visibility in Light Curves, Celestial Mechanics and Dynamical Astronomy, 117:385–404, 10.1007/s10569-013-9516-5, Nov 2013
C. Früh, T. Schildknecht, Accuracy of Two Line Element Data for
Geostationary and High-Eccentricity Orbits, AIAA, Guidance, Control and Dynamics, Vol. 35, No. 5, pp. 1483-1491, 10.2514/1.55843, Sep 2012
C. Früh, T. Schildknecht, Object Image Linking of Earth Orbiting Objects in the Presence of Cosmics, Advances in Space
Research, Vol. 49, Issue 3, 10.1016/j.asr.2011.10.021, pp. 594-602, Feb 2012
C. Früh, T. Schildknecht, Variation of Area-to-Mass-Ratio of High Area-to-Mass Ratio
Space Debris Objects, Monthly Notices of Royal Astronomical
Society, Vol. 419, pp. 3521-3528, 10.1111/j.1365-2966.2011.19990.x, Jan 2012
Identification of Space Debris, C. Früh, Shaker Verlag Aachen, 2011, ISBN: 978-3-8440-0516
B. Baker-McEvilly, S. Bhadauria, J. Rose, D. Canales, C. Frueh, H. Cho, Performance of Observational Spacecraft Across Orbit Families for Space Domain Awareness in the Cislunar Realm, SciTech Symposium, Jan 2024
A. Burton, C. Frueh, Attitude Estimation using Light Curves: A Particle Swarm Approach, SciTech Symposium, Jan 2024
J. Iannamorelli, K. LeGrand, C. Frueh, Adaptive Filtering for Multi-Satellite Relative Navigation with Quantized Measurements, SciTech Symposium, Jan 2024
D. Kobayashi, C. Frueh, Sparse Decoding for Resolving LEO Objects, Second International Conference on Orbital Debris, Houston, TX, Dec 2023
A. Burton, Fast Light Curve Inversion for Regular and Tumbling Attitude Motion, The Advanced Maui Optical and Space Surveillance Technologies (AMOS) Conference, September 19-22, 2023
D. Kobayashi, A. Burton, C. Frueh, AI-Assisted Near-Field Monocular Monostatic Pose Estimation of Spacecraft, The Advanced Maui Optical and Space Surveillance Technologies (AMOS) Conference, September 19-22, 2023
A. Black, C. Frueh, Characterizing Cislunar Fragmentations, The Advanced Maui Optical and Space Surveillance Technologies (AMOS) Conference, September 19-22, 2023
B. Baker-McEvilly, S. Doroba, A. Gilliam†, F. Criscola, D. Canales, C. Frueh, T. Henderson, A Review on Hot-Spot Areas Within the Cislunar Region And Upon the Moon Surface, And Methods to Gather Passive Information From These Regions, AAS/AIAA Space Flight Mechanics Meeting, Austin, TX, Jan 2023
A. Black, C. Frueh, Uncertainty Analysis of Atlas V Centaur Upper Stage Fragmentation Events, AAS/AIAA Space Flight Mechanics Meeting, Austin, TX, Jan 2023
D. Kobayashi, C. Frueh, Image-based Satellite Characterization for Low Earth Orbit, AAS/AIAA Space Flight Mechanics Meeting, Austin, TX, Jan 2023
A. Black, C. Frueh, Investigation of Fragmentation Events in the Cislunar Domain, AAS/AIAA Space Flight Mechanics Meeting, Austin, TX, Jan 2023
D. Kobayashi, C. Frueh, Reformulating Compressed Sensing to be used with Semi-Resolved Point Spread Function and Light Curves for Space Object Imaging: LEO. The Advanced Maui Optical and Space Surveillance Technologies (AMOS) Conference, September 27-30, 2022
S. Bhadauria, C. Frueh, Optical Observation Regions in Cislunar Space Using the Bicircular Restricted Four Body Problem Geometry, The Advanced Maui Optical and Space Surveillance Technologies (AMOS) Conference, September 27-30, 2022
M. Gupta, K. Howell, C. Frueh, Long-Term Cislunar Surveillance via Multi-Body Resonant Trajectories, AAS/AIAA Astrodynamics Specialist Conference, Charlotte, North Carolina, August 7-11, 2022
L. Robinson, C. Frueh, Light Curve Inversion for Reliable Shape-Reconstruction of Human-Made Space Objects, AAS/AIAA Astrodynamics Specialist Conference, Charlotte, North Carolina, August 7-11, 2022
S. Bhadauria, C. Frueh, K. Howell, Cislunar Space Domain Awareness Using Bi-Circular Four Body Geometry, AAS/AIAA Astrodynamics Specialist Conference, Charlotte, North Carolina, August 7-11, 2022
C. Frueh, H. Fiedler, T. Schildknecht, Multi-Target Tracking for SMARTnet™: Multi-Layer Probability Hypothesis Filter for Near-Earth Object Tracking, 8th European Conference on Space Debris, April 2021
A. Burton, C. Frueh, Multi-Hypothesis Light Curve Inversion for Space Object Attitude Determination, 8th European Conference on Space Debris, April 2021
D. Kobayashi, C. Frueh, Compressed Sensing for Satellite Characterization – Improved atmospheric modeling and sensing matrix realism, 8th European Conference on Space Debris, April 2021
C. Frueh, K. DeMars, K. Howell, S. Bhadauria, M. Gupta, Cislunar Space Traffic Management: Surveillance Through Earth-Moon Resonance Orbits 8th European Conference on Space Debris, April 2021
P. Ravi, C. Frueh, Investigation of Three Recent Atlas V Centaur Upper Stage Fragmentation Events, 8th European Conference on Space Debris, April 2021
N. Houtz, C. Frueh, Efficient streak detection and plate-solving techniques, 8th European Conference on Space Debris, April 2021
M. Rose, C. Frueh, Sensor Tasking Analysis for an Optical Sensor Network Designed for Complete GEO Coverage, 8th European Conference on Space Debris, April 2021
C. Miller, C. Frueh, Comparison of Initial Orbit Determination Methods for the Use in Sensor Networks, 8th European Conference on Space Debris, April 2021
S. Fan, C. Frueh, Multi-Hypothesis Light Curve Inversion Scheme for Convex Objects with Minimal Observations, 8th European Conference on Space Debris, April 2021
C. Frueh, K. Howell, K. DeMars, S. Bhadauria, Cislunar Space Situational Awareness, AAS Space Flight Mechanics Meeting, Feb. 2021
A. Burton, C. Frueh, Light Curve Attitude Estimation Using the Viewing Sphere AIAA/AAS Astrodynamics Specialist Conference, Aug. 2020
S. Bhadauria, C. Frueh, Association of too Short Arcs Using Admissible Regions, AIAA/AAS Astrodynamics Specialist Conference, Aug. 2020
D. Kobayashi, C. Frueh, Compressed Sensing for Satellite Characterization, AIAA/AAS Astrodynamics Specialist Conference, Aug. 2020
M. Rose, C. Frueh, Elevation Constraint vs Probability of Detection in an Optical Sensor Network Designed for Complete GEO Coverage, AIAA/AAS Astrodynamics Specialist Conference, Aug. 2020
R. Sanaga, C. Frueh, Method for Multi-Target Tracking Using a PHD-Filter in the Presence of Uncertain Probability of Detection, First Orbital Debris Conference, Houston, TX, Dec. 2019
A. Friedman, C. Frueh, Observability of Light Curve Shape Inversion Based on Optical Data, First Orbital Debris Conference, Houston, TX, Dec. 2019
C. Frueh, B. Little, J. McGraw, Optical Sensor Model and its Effects on the Design of Sensor Networks and Tracking, Advanced Maui Optical and Space Surveillance Conference, Maui, Sep. 2019
S. Fan, A. Friedman, C. Frueh, Satellite Shape Recovery from Light Curves with Noise, Ad- vanced Maui Optical and Space Surveillance Conference, Maui, Sep. 2019
K. Toner, B. Carden, S. Kordella, C. Frueh, N. Reiland, A. Rosengren, A Testbed to Evaluate New Approaches for STM, Advanced Maui Optical and Space Surveillance Conference, Maui, Sep. 2019
A. Mashiku, C. Frueh, M. Zielinski, A. Burton, N. Memarsadhegi, E. Gizzi, Predicting Satellite Close Approaches Using Statistical Parameters in the Context of Artificial Intelligence, Astrodynamics Specialist Conference, Portland, ME, Aug, 2019
B. Little, C. Frueh, No Feedback Multi-Sensor Tasking, Astrodynamics Specialist Conference, Portland, ME, Aug, 2019
A. Friedman, C. Frueh, Light Curve Inversion Observability Analysis, Astrodynamics Specialist Conference, Portland, ME, Aug, 2019.
A. Friedman, C. Frueh, Observability and Estimability Analysis of the Orbit Problem, Astrodynamics Specialist Conference, Portland, ME, Aug, 2019.
S.N. Paul, C. Frueh, Long-term Survey of LAMR and HAMR Objects Using Analytic Techniques, Astrodynamics Specialist Conference, Portland, ME, Aug, 2019
B. Little, C. Frueh, SSA Sensor Tasking: Comparison of Machine Learning with Classical Optimization Methods, Advanced Maui Optical and Space Surveillance Technologies (AMOS) Conference, Maui, HI, Sep 2018
N. Houtz, C. Frueh, Streak Detection and Characterization in Ground-Based Optical Observations of Space Objects, AAS/AIAA Astrodynamics Specialist Conference, AAS-18-336, Snowbird, UT, Aug 2018
A. Burton, M. Zielinksi, C. Frueh, A. Mashiku, N. Memarsadeghi, Assessing Measures to Reliably Predict Collisions in the Presence of Uncertainty, AAS/AIAA Astrodynamics Specialist Conference, AAS 18-439, Snowbird, UT, Aug 2018
S. Fan, C. Frueh, A Light Curve Inversion Scheme for Artificial Objects, AAS/AIAA Astrodynamics Specialist Conference, AAS-18-441, Snowbird, UT, Aug 2018
A. Hinze, T. Schildknecht, H. Fiedler, C. Frueh, A Sensor Tasking Tool to Build-up and Maintain a Catalogue of Geosynchronous Space Objects, 42nd COSPAR Scientific Assembly, Pasadena, CA, Jul 2018
A. Friedman, C. Frueh, Observability Analysis Applied to Artificial Near-Earth Objects with Realistic Noise, Space Flight Mechanics Meeting, San Antonio, TX, Feb 2017
F. Khoury, S. Francis, C. Frueh, Comparison of Admissible Region Mapping for Too Short Arc Observations, Space Flight Mechanics Meeting, San Antonio, TX, Feb 2017
E.D. Delande, J. Houssineau, J. Franco, C. Frueh, D. Clark, A new Multi-Target Tracking Algorithm for A large number of orbiting objects, Space Flight Mechanics Meeting, San Antonio, TX, Feb 2017
Buzzoni, S. Fan, C. Frueh, G. Altavilla, I. Foppiani, M. Micheli,J. Nomen, N. Sanchez-Ortiz, The puzzling case of the deep-space debris WT1190F: A test bed for advanced SSA techniques, Stardust Conference, ESA ESTEC, Netherlands, Nov 2016
Frueh, H. Fiedler, J. Herzog, Realistic Sensor Tasking Strategies, AMOS Technical Conference, Maui, Hawaii, USA, Sep 2016
Pak, J. Correa, M. Adams, D. Clark, E. Delande, J. Houssineau, C. Frueh, Joint Target Detection and Tracking Filter for Chilbolton Advanced Meteorological Radar Data Processing, AMOS Technical Conference, Maui, Hawaii, USA, Sep 2016
S. Fan, C. Frueh, A Light Curve Simulation of The Apollo Lunar Ascent Module, Astrodynamics Specialist Conference, Palm Beach, Sept. 2016
S.N. Paul, C. Frueh, Space Debris Charging and its E_ect on Orbit Evolution, Astrodynamic Specialist Conference, Palm Beach, Sept. 2016
M. Soppet, C. Frueh, Stochastic Modeling of Solar Radiation Pressure on High Area-Mass Ratio Objects, Astrodynamics Specialist Conference, Palm Beach, Sept. 2016
J. Darling, N. Houtz, C. Frueh, K. DeMars, Recursive Filtering of Star Tracker Data, Astrodynamics Specialist Conference, Palm Beach, Sept. 2016
Bruce, C. Frueh, Monte Carlo Analysis of Common Two-Vector Attitude Determination Algorithms with Uncorrelated Gaussian Measurement Noise, Astrodynamics Specialist Conference, Palm Beach, Sept. 2016
R. Mellish, C. Frueh, Adaptive Taxonomy Modeling for Earth-Orbiting Object Differentiation, Astrodynamics Specialist Conference, Palm Beach, Sept. 2016
J. Franco, M. Delande, C. Frueh, J. Houssineau, D. Clark, A Spherical Coordinate Space Parameterization for
Orbit Estimation, proceedings of the IEEE Aerospace Conference, Montana, March 5 -- 12, 2016
C. Frueh, Observability of Space Debris, AAS 15-576, Proc. AIAA/AAS Astrodynamic Specialist Conference, Vail, Colorado, August 2015
F. Sanson, C. Frueh, Noise Quantification in Optical Observations of Resident Space Objects for Probability of Detection and Likelihood, AAS 15-635, Proc. AIAA/AAS Astrodynamic Specialist Conference, Vail, Colorado, August 2015
N. Houtz, C. Frueh, Spacecraft Attitude Simulation to Improve the Efficiency of Star Trackers, AAS 15-779, Proc. AIAA/AAS Astrodynamic Specialist Conference, Vail, Colorado, August 2015
C. Frueh, Modeling Impacts on Space Situational Awareness PHD-filter Tracking, ICCES, Reno, Nevada, July 2015
C. Frueh, Modified Encke Corrector Step Method for semi-coupled Orbit-Attitude Propagation, AAS 15-406, Proc. AAS Space Flight Mechanics Meeting, Williamsburg, VA, January 2015
C. Frueh, Effects of Thermal Re-radiation on Orbit and Attitude of High Area-to-Mass Ratio Objects using Different Models: YORP and Yarkoswki, AAS 15-403, Proc. AAS Space Flight Mechanics Meeting, Williamsburg, VA, January 2015
E.D. Delande, C. Frueh, J. Houssineau, D.E. Clark, Multi-Object Filtering for Space Situational Awareness, AAS 15-406, Proc. AAS Space Flight Mechanics Meeting, Williamsburg, VA, January 2015
J. S. McCabe, K. J. DeMars, C. Frueh, Integrated Detection and Tracking for Multiple Space Objects, Proc. AAS Space Flight Mechanics Meeting, Williamsburg, VA, January 2015
C. Früh, D. Ferguson, C. Lin, M. Jah, Passive Electrostatic Charging of Near-Geosynchronous Space Debris HAMR Objects and its Effects on the Coupled Object Dynamics, Proc. AAS Space Flight Mechanics Meeting, Santa Fe, NM, February 2014.
C. Früh, M. Jah, E.Valdez, P. Kervin, T. Kelecy, Phylogenetic Taxonomy for Artificial Space Objects, Proc. AAS Space Flight Mechanics Meeting, Santa Fe, NM, February 2014.
C. Früh, D. Ferguson, C. Lin, M. Jah, The effect of passive electrostatic charging on near geosynchronous high area to mass ratio objects, Proceedings of the International Astronautical Congress, 2013
S. Channumsin, M. Ceriotti, C. Früh, G. Radice, Orbital Dynamics of Lightweight Flexible Debris, Proceedings of the International Astronautical Congress, 2013.
Y. Cheng, C. Früh, K.J. DeMars, Comparison of PHD Filter and CPHD Filter for Space Object Tracking, Proc. AIAA/AAS Astrodynamics Specialists Conference, Hilton Head, August 2013
C. Früh, M. Jah, Detection Probability of Earth Orbiting Objects Using Optical Sensors in Different Observation Scenarios, Proc. AIAA/AAS Astrodynamics Specialists Conference, Hilton Head, August 2013.
C. Früh, M. Jah, E.Valdez, T. Kelecy, P. Kervin, Initial Taxonomy and Classification Scheme for Artificial Space Objects, Proceedings of the 2013 AMOS Technical Conference, Maui, Hawaii, USA, 2013.
C. Früh, M. Jah, E.Valdez, P. Kervin, T. Kelecy, Development of an Initial Taxonomy and Classification Scheme for Artificial Space Objects, Proc. ESA Space Debris Conference, Darmstadt, April 2013.
C. Früh, Attitude and Orbit Propagation of High Area-to-Mass Ratio (HAMR) Objects using a Semi-Coupled Approach, Proc. AAS Space Flight Mechanics Meeting, Kauai, HI, February 2013.
Y. Cheng, K.J. DeMars, C. Früh, M.K. Jah, Gaussian Mixture PHD Filter for Space Object Tracking, Proc. AAS Space Flight Mechanics Meeting, Kauai, HI, February 2013.
C. Früh, Coupled Orbit-Attitude Motion of High Area-to-Mass Ratio (HAMR) Objects including Self-Shadowing, Proc. AAS Space Flight Mechanics Meeting, Kauai, HI, February 2013.
I. I. Hussein, C. Früh, R. S Erwin, M.K. Jah, An AEGIS-FISST Algorithm for Joint Detection, Classification and Tracking, Proc. AAS Space Flight Mechanics Conference, Kauai, HI, February 2013.
C. Früh, T. Schildknecht, Attitude Motion of Space Debris under Influence of Solar Radiation Pressure and Gravity, Proceedings of the International Astronautical Congress 2012, A6.2.6, Naples, Italy, 1 - 5 Oct, 2012.
C. Früh, T. Kelecy, M. Jah, Attitude Dynamics Simulation of MLI Space Debris Objects in Geosynchronous Earth Orbit, Proc. AIAA/AAS Astrodynamics Specialists Conference, Minneapolis, MN, August 2012.
I. I.Hussein, K.J. DeMars,C. Früh, R.S. Erwin, M.K.Jah, An AEGIS-FISST Integrated Detection and Tracking Approach to Space Situational Awareness, Proc. AIAA/AAS Astrodynamics Specialists Conference, Minneapolis, MN, August 2012.
I. I. Hussein,K.J. DeMars, C. Früh, R.S. Erwin, M.K. Jah, An AEGIS-FISST Integrated Detection and Tracking Approach to Space Situational Awareness, 15th International Conference on Information Fusion, Singapore, July 2012.
C. Früh, T. Schildknecht, Combination of Light Curve Measurements and Orbit Determination for Space Debris Identification. In Proceedings of the International Astronautical Congress 2011, A6.1.14, Cape Town, South Africa, 3 - 7 Oct, 2011.
T. Schildknecht, W. Flury, C. Früh, J. Herzog, A. Hinze, A. Vananti, Using Optical Observations to Survey, Track, and Characterize Small-Size Objects at High Altitudes. In 28th International Symposium on Space Technology and Science, June 5-12, Okinawa, Japan, 2011.
C. Früh, T. Schildknecht, Area-to-Mass Variations of HAMR Objects Determined Using ZIMLAT Observations. In Proceedings of the International Symposium on Orbit Propagation and Determination, Lille, France, 26 - 28 September, 2011.
C. Früh, T. Schildknecht, A. Hinze, M. Reber, Optical Observation Campaign in the Framework of the ESA Space Surveillance System Precursor Services. In Proceedings of the European Space Surveillance Conference, Madrid, Spain, 7 - 9 June, 2011.
C. Früh, T. Schildknecht, Analysis of Observed and Simulated Light Curves of Space Debris. In Proceedings of the International Astronautical Congress 2010, A6.1.9, Prague, Czech Republic, 27 Sep- 1 Oct, 2010.
J. Herzog, C. Früh, T. Schildknecht, Build-up and Maintenance of a Catalogue of GEO Objects with ZimSMART and ZimSMART2. In Proceedings of the International Astronautical Congress 2010, A6.5.2, Prague, Czech Republic, 27 Sep- 1 Oct, 2010.
C. Früh, T. Schildknecht, Investigation of Properties and Characteristics of High-Area-to-Mass Ratio Objects Based on Examples of Optical Observation Data of Space Debris Objects in GEO-like Orbits. In Proceedings of the 2010 AMOS Technical Conference, Maui, Hawaii, USA,14-17 September 2010.
T.\,Schildknecht, C.\,Früh, A.\,Hinze, J.\,Herzog, Dynamical Properties
of High Area to Mass Ratio Objects in GEO-Like Orbits. In \textit{38th COSPAR Scientific Assembly. Held 18-15 July 2010, in Bremen, Germany}.
C. Früh, T. Schildknecht, Orbit Propagation and Validation with Angle-Only Observations. In Proceedings of the 20th AAS/AIAA Astrodynamics Specialist Conference, Toronto, Canada, August 2nd - 5th, 2010.
C. Früh, T. Schildknecht, M. Ploner, Comparison of different Methods of Ephemeris Retrieval for Correlation of Observations of Space Debris Objects. In Proceedings of the 2009 AMOS Technical Conference, Maui, Hawaii, USA, 1-4 September 2009.
C. Früh, T. Schildknecht, R. Musci, M. Ploner, Catalogue Correlation of Space Debris Objects. In Proceedings of the Fifth European Conference on Space Debris, ESOC, Darmstadt, Germany, 30 March-2 April 2009.
M. Ploner, T. Schildknecht, C. Früh, A. Vananti, Space Surveillance Observations at the Zimmerwald Observatory. In Proceedings of the Fifth European Conference on Space Debris, ESOC, Darmstadt, Germany, 30 March-2 April 2009.
T. Flohrer, H. Krag, H. Klinkrad, B. Bastida Virgili, C. Früh, Improving ESA's Collision Risk Estimates by an Assessment of he TLE orbit errors of the US SSN Catalogue. In Proceedings of the Fifth European Conference on Space Debris, ESOC, Darmstadt, Germany, 30 March-2 April 2009.
C. Früh, R. Musci, T. Schildknecht, Improved Method for Recognizing unknown Space Debris Objects on Series of CCD Frames. In Proceedings of the International Astronautical Congress 2008, A6.5.2, Glasgow, Scotland, Great Britain, 29 Sep- 3 Oct, 2008.
T. Schildknecht, R. Musci, C. Früh, M. Ploner, Color Photometry and Light Curve Observations of Space Debris GEO. In Proceedings of the International Astronautical Congress 2008, A6.1.4, Glasgow, Scotland, Great Britain, 29 Sep- 3 Oct, 2008.
T. Flohrer, T. Schildknecht, C. Früh, R. Musci, M. Ploner, Optical Observations at the Zimmerwald Observatory. In Proceedings of the International Astronautical Congress 2007, Hyderabad, India, 21 - 28 Sep, 2007.
C. Früh, book review on Das geschenkte Universum, Astrophysik und Schopfung (Astrophysics and Creation), Arnold Benz, Patmos 2010, Internationale Kirchliche Zeitschrift (International Church Journal, IKZ), 102 (2012), Heft 1/2, Editor Prof. Dr. Urs von Arx
C. Früh, book review on Goettliche Weltoekonomie, Perspektiven der Wissenschaftlichen Revolution vom 15. bis zum 17. Jahrhundert, Dieter Groh, Suhrkamp 2010, Internationale Kirchliche Zeitschrift (International Church Journal, IKZ), January 2013, Editor Prof. Dr. Urs von Arx
C. Früh, book review on Goettliche Weltoekonomie, Perspektiven der Wissenschaftlichen Revolution vom 15. bis zum 17. Jahrhundert (Divine World Economy, perspectives of the scientific revolution from the 15th to the 17th century), German, Dieter Groh, Suhrkamp 2010, 46 (4), December 2011, Zygon, Journal of Religion and Science, 1100 East 55th Street, Chicago, IL
60615-5112, USA
C. Früh, Short story Schlangenwelt, Kalliope Zeitschrift fuer Literatur und Kunst (Journal of Literature and Art), Bernstein Verlag, I/2008, p.38
Journal
B. Baker-McEvilly, S. Bhadauria, D. Canales and C. Frueh, A comprehensive review on Cislunar operations and expansion, Progress in Aerospace Sciences, submitted 2023
D. Kobayashi, C. Frueh, Image Recovery of LEO Objects
by Leveraging Optical Turbulence and Light Curves, Journal of Guidance, Control, and Dynamics, accepted 2023
P. Ravi, A. Black, C. Frueh, Investigation of Atlas V Centaur Upper Stage Fragmentation Events, Journal of Astronautical Sciences, 10.1007/s40295-023-00377-9, March 2023
S.N. Paul, B. Little, C. Frueh, Detection of Unknown Space Objects Based on Optimal Sensor Tasking and Hypothesis Surfaces Using Variational Equations, Journal of Astronautical Sciences, 10.1007/s40295-022-00333-z, July 2022
A. Friedman, C. Frueh, Observability of Light Curve Inversion for Shape and Feature Determination Exemplified by a Case Analysis, Journal of Astronautical Sciences, 69, 537–569, 10.1007/s40295-021-00293-w, Feb 2022
R. Mellish, C. Frueh, An Automated Taxonomy for Human-Made Objects in Geosynchronous Orbits, Journal of Astronautical Sciences, 68. 480 - 502, 10.1007/s40295-021-00259-y, May 2021
S. Nandan Paul. C. Frueh, Analytical Expressions for Orbital Perturbations Due to Lorentz Force, Acta Astronautics, 182, 466 - 485, 0.1016/j.actaastro.2021.01.056, May 2021
A. Friedman, C. Frueh, Observability and Estimability Analysis of Geosynchronous Objects with Angles-Only Measurements, Journal of Astronautical Sciences, Vol. 68, pp. 503–534, 10.1007/s40295-021-00261-4, May 2021.
R. Serra, C. Yanez, C. Frueh, Tracklet-to-Orbit Association for Maneuvering Space Objects using Optimal Control Theory, Acta Astronautica, Vol. 181, pp. 271-281, 10.1016/j.actaastro.2021.01.026, April 2021
R. Sanaga, C. Frueh, Probability Hypothesis Density Filter with Uncertainty in the Probability of Detection, Advances in Space Research, Vol. 67, 5, pp. 1437-1453, 10.1016/j.asr.2020.11.035, March 2021
B. Little, C. Frueh, Multiple Heterogeneous Sensor Tasking Optimization in the Absence of Measurement Feedback, Journal of Astronautical Sciences, Vol. 67, pp. 1678–1707, 10.1007%2Fs40295-020-00232-1, Sep. 2020
N. Houtz, C. Frueh, Low Cost Optical Attitude Determination for Stable and Rotating Small- Sat Platforms, Journal of Guidance, Control and Dynamics, submitted April 2020
B. Little, C. Frueh, SSA Sensor Tasking: Comparison of Machine Learning with Classical Optimization Methods, Journal of Guidance, Control and Dynamics, Vol. 43, 2, 10.2514/1.G004279, Dec 2019
F. Sanson, C. Frueh, Noise Estimation and Probability of Detection in Nonresolved Images: Application to Space Object Observation, Advances in Space Research, Vol. 64, Issue 7, pp. 1432-1444, 10.1016/j.asr.2019.07.003, Oct 2019
S. Fan, C. Frueh, A Direct Light Curve Inversion Scheme in the Presence of Measurement Noise, Journal of Astronautical Sciences, Vol. 67, pp. 740–761, 10.1007/s40295-019-00190-3, Aug 2019
M. Delande, J. Houssineau, J. Franco, C. Frueh, D. Clark, M. Jah, A new multitarget tracking algorithm for a large number of orbiting objects, Advances in Space Research, Vol. 64, Issue 3, pp. 645-667, 10.1016/j.asr.2019.04.012, Aug 2019
F. Sanson, C. Frueh, Quantifying Uncertainties in Signal Position in non-resolved Object Images: Application to Space Object Observation, Advances in Space Research, Vol. 63, Issue 8, pp. 2436-2454, 10.1016/j.asr.2018.12.040, Apr. 2019
A. Buzzoni, G. Altavilla, S. Fan, I. Froppiani, C. Frueh, M. Micheli, J. Nomen, N. Sanchez Ortiz, Physical characterization of the deep-space debris WT1190F: a testbed for advanced SSA techniques, Advances in Space Research, Vol. 63, Issue 1, pp. 371-393, 10.1016/j.asr.2018.07.025, Jan 2019
R. Eapen, C. Frueh, Averaged Solar Radiation Pressure Modeling for High Area-to-Mass Ratio Objects in Geosynchronous Orbits, Advances in Space Research, Vol. 63, Issue 1, pp. 127-141, 10.1016/j.asr.2018.03.042, Jul 2018
A. Buzzoni, D. Koschny, G. Drolshagen, E. Perozzi, O. Hainaut, S. Lemmens, G. Altavilla, I. Foppiani, J. Nomen, N. S ́anchez-Ortiz, W. Marinello, G. Pizzetti, A. Soffiantini, S. Fan, C. Frueh, The observing campaign on the deep-space debris WT1190F as a test case for short- warning NEO impacts, Icarus, Vol. 304, pp. 4-8, 10.1016/j.icarus.2017.10.006, Jul 2018
A. Friedman, C. Frueh, Determining Characteristics of Artificial Near-Earth Objects using Observability Analysis, Acta Astronautica, Vol. 144, pp. 405-421, 10.1016/j.actaastro.2017.12.028, 2018
C. Frueh, H. Fiedler, J. Herzog, Heuristic and Optimized Sensor Tasking Observation Strategies with Exemplification for Geosynchronous Objects, Journal of Guidance, Control, and Dynamics, Vol. 41, No. 5, pp. 1036-1048, 10.2514/1.G003123, 2018
S.N. Paul, C. Frueh, Space Object Charging and its Effect on Orbit Evolution, Journal of Guidance, Control, and Dynamics, Vol. 40, No. 12, pp. 3180-3198, 10.2514/1.G002733, Sep 2017
M. Delande, C. Frueh, J. Franco, J. Houssineau, D. Clark, Novel Multi-Object Filtering Approach for Space Situational Awareness, Journal of Guidance, Control, and Dynamics, Vol. 41, No. 1, pp. 59-73, 10.2514/1.G002067, Jul 2017
C. Frueh, Modeling Impacts on Space Situational Awareness PHD-filter Tracking, CMES: Special Issue on Computational Methods in Celestial Mechanics, Vol.111, no.1, pp.171-201, 0.3970/cmes.2016.111.171, 2016
K.J. DeMars, I.I. Hussein, C. Frueh, M.K. Jah, R. S. Erwin, Multiple Object Space Surveillance Tracking Using Finite Set Statistics, Journal of Guidance, Control, and Dynamics, Battin Issue, Vol. 38, No. 9, pp. 1741-1756, 10.2514/1.G000987, Sep 2015
C. Früh, M. Jah, Efficient High Area-to-Mass ratio (HAMR) Object Propagation including Self-Shadowing, Acta Astronautica, Vol. 95, pp. 227 - 241, 10.1016/j.actaastro.2013.11.017, Feb 2014
C. Früh, M. Jah, Attitude and Orbit Propagation using a Semi-Coupled Approach, Journal of the Astronautical Sciences, Vol. 60, Issue 1, pp. 32–50, doi:10.1007/s40295-014-0013-1, Feb 2014
C. Früh, T. Kelecy, M. Jah, Coupled Orbit-Attitude Dynamics of High Area-to-Mass Ratio (HAMR) Objects: Influence of Solar Radiation Pressure, Earth's Shadow and the Visibility in Light Curves, Celestial Mechanics and Dynamical Astronomy, 117:385–404, 10.1007/s10569-013-9516-5, Nov 2013
C. Früh, T. Schildknecht, Accuracy of Two Line Element Data for
Geostationary and High-Eccentricity Orbits, AIAA, Guidance, Control and Dynamics, Vol. 35, No. 5, pp. 1483-1491, 10.2514/1.55843, Sep 2012
C. Früh, T. Schildknecht, Object Image Linking of Earth Orbiting Objects in the Presence of Cosmics, Advances in Space
Research, Vol. 49, Issue 3, 10.1016/j.asr.2011.10.021, pp. 594-602, Feb 2012
C. Früh, T. Schildknecht, Variation of Area-to-Mass-Ratio of High Area-to-Mass Ratio
Space Debris Objects, Monthly Notices of Royal Astronomical
Society, Vol. 419, pp. 3521-3528, 10.1111/j.1365-2966.2011.19990.x, Jan 2012
Books
Identification of Space Debris, C. Früh, Shaker Verlag Aachen, 2011, ISBN: 978-3-8440-0516
Proceedings
B. Baker-McEvilly, S. Bhadauria, J. Rose, D. Canales, C. Frueh, H. Cho, Performance of Observational Spacecraft Across Orbit Families for Space Domain Awareness in the Cislunar Realm, SciTech Symposium, Jan 2024
A. Burton, C. Frueh, Attitude Estimation using Light Curves: A Particle Swarm Approach, SciTech Symposium, Jan 2024
J. Iannamorelli, K. LeGrand, C. Frueh, Adaptive Filtering for Multi-Satellite Relative Navigation with Quantized Measurements, SciTech Symposium, Jan 2024
D. Kobayashi, C. Frueh, Sparse Decoding for Resolving LEO Objects, Second International Conference on Orbital Debris, Houston, TX, Dec 2023
A. Burton, Fast Light Curve Inversion for Regular and Tumbling Attitude Motion, The Advanced Maui Optical and Space Surveillance Technologies (AMOS) Conference, September 19-22, 2023
D. Kobayashi, A. Burton, C. Frueh, AI-Assisted Near-Field Monocular Monostatic Pose Estimation of Spacecraft, The Advanced Maui Optical and Space Surveillance Technologies (AMOS) Conference, September 19-22, 2023
A. Black, C. Frueh, Characterizing Cislunar Fragmentations, The Advanced Maui Optical and Space Surveillance Technologies (AMOS) Conference, September 19-22, 2023
B. Baker-McEvilly, S. Doroba, A. Gilliam†, F. Criscola, D. Canales, C. Frueh, T. Henderson, A Review on Hot-Spot Areas Within the Cislunar Region And Upon the Moon Surface, And Methods to Gather Passive Information From These Regions, AAS/AIAA Space Flight Mechanics Meeting, Austin, TX, Jan 2023
A. Black, C. Frueh, Uncertainty Analysis of Atlas V Centaur Upper Stage Fragmentation Events, AAS/AIAA Space Flight Mechanics Meeting, Austin, TX, Jan 2023
D. Kobayashi, C. Frueh, Image-based Satellite Characterization for Low Earth Orbit, AAS/AIAA Space Flight Mechanics Meeting, Austin, TX, Jan 2023
A. Black, C. Frueh, Investigation of Fragmentation Events in the Cislunar Domain, AAS/AIAA Space Flight Mechanics Meeting, Austin, TX, Jan 2023
D. Kobayashi, C. Frueh, Reformulating Compressed Sensing to be used with Semi-Resolved Point Spread Function and Light Curves for Space Object Imaging: LEO. The Advanced Maui Optical and Space Surveillance Technologies (AMOS) Conference, September 27-30, 2022
S. Bhadauria, C. Frueh, Optical Observation Regions in Cislunar Space Using the Bicircular Restricted Four Body Problem Geometry, The Advanced Maui Optical and Space Surveillance Technologies (AMOS) Conference, September 27-30, 2022
M. Gupta, K. Howell, C. Frueh, Long-Term Cislunar Surveillance via Multi-Body Resonant Trajectories, AAS/AIAA Astrodynamics Specialist Conference, Charlotte, North Carolina, August 7-11, 2022
L. Robinson, C. Frueh, Light Curve Inversion for Reliable Shape-Reconstruction of Human-Made Space Objects, AAS/AIAA Astrodynamics Specialist Conference, Charlotte, North Carolina, August 7-11, 2022
S. Bhadauria, C. Frueh, K. Howell, Cislunar Space Domain Awareness Using Bi-Circular Four Body Geometry, AAS/AIAA Astrodynamics Specialist Conference, Charlotte, North Carolina, August 7-11, 2022
C. Frueh, H. Fiedler, T. Schildknecht, Multi-Target Tracking for SMARTnet™: Multi-Layer Probability Hypothesis Filter for Near-Earth Object Tracking, 8th European Conference on Space Debris, April 2021
A. Burton, C. Frueh, Multi-Hypothesis Light Curve Inversion for Space Object Attitude Determination, 8th European Conference on Space Debris, April 2021
D. Kobayashi, C. Frueh, Compressed Sensing for Satellite Characterization – Improved atmospheric modeling and sensing matrix realism, 8th European Conference on Space Debris, April 2021
C. Frueh, K. DeMars, K. Howell, S. Bhadauria, M. Gupta, Cislunar Space Traffic Management: Surveillance Through Earth-Moon Resonance Orbits 8th European Conference on Space Debris, April 2021
P. Ravi, C. Frueh, Investigation of Three Recent Atlas V Centaur Upper Stage Fragmentation Events, 8th European Conference on Space Debris, April 2021
N. Houtz, C. Frueh, Efficient streak detection and plate-solving techniques, 8th European Conference on Space Debris, April 2021
M. Rose, C. Frueh, Sensor Tasking Analysis for an Optical Sensor Network Designed for Complete GEO Coverage, 8th European Conference on Space Debris, April 2021
C. Miller, C. Frueh, Comparison of Initial Orbit Determination Methods for the Use in Sensor Networks, 8th European Conference on Space Debris, April 2021
S. Fan, C. Frueh, Multi-Hypothesis Light Curve Inversion Scheme for Convex Objects with Minimal Observations, 8th European Conference on Space Debris, April 2021
C. Frueh, K. Howell, K. DeMars, S. Bhadauria, Cislunar Space Situational Awareness, AAS Space Flight Mechanics Meeting, Feb. 2021
A. Burton, C. Frueh, Light Curve Attitude Estimation Using the Viewing Sphere AIAA/AAS Astrodynamics Specialist Conference, Aug. 2020
S. Bhadauria, C. Frueh, Association of too Short Arcs Using Admissible Regions, AIAA/AAS Astrodynamics Specialist Conference, Aug. 2020
D. Kobayashi, C. Frueh, Compressed Sensing for Satellite Characterization, AIAA/AAS Astrodynamics Specialist Conference, Aug. 2020
M. Rose, C. Frueh, Elevation Constraint vs Probability of Detection in an Optical Sensor Network Designed for Complete GEO Coverage, AIAA/AAS Astrodynamics Specialist Conference, Aug. 2020
R. Sanaga, C. Frueh, Method for Multi-Target Tracking Using a PHD-Filter in the Presence of Uncertain Probability of Detection, First Orbital Debris Conference, Houston, TX, Dec. 2019
A. Friedman, C. Frueh, Observability of Light Curve Shape Inversion Based on Optical Data, First Orbital Debris Conference, Houston, TX, Dec. 2019
C. Frueh, B. Little, J. McGraw, Optical Sensor Model and its Effects on the Design of Sensor Networks and Tracking, Advanced Maui Optical and Space Surveillance Conference, Maui, Sep. 2019
S. Fan, A. Friedman, C. Frueh, Satellite Shape Recovery from Light Curves with Noise, Ad- vanced Maui Optical and Space Surveillance Conference, Maui, Sep. 2019
K. Toner, B. Carden, S. Kordella, C. Frueh, N. Reiland, A. Rosengren, A Testbed to Evaluate New Approaches for STM, Advanced Maui Optical and Space Surveillance Conference, Maui, Sep. 2019
A. Mashiku, C. Frueh, M. Zielinski, A. Burton, N. Memarsadhegi, E. Gizzi, Predicting Satellite Close Approaches Using Statistical Parameters in the Context of Artificial Intelligence, Astrodynamics Specialist Conference, Portland, ME, Aug, 2019
B. Little, C. Frueh, No Feedback Multi-Sensor Tasking, Astrodynamics Specialist Conference, Portland, ME, Aug, 2019
A. Friedman, C. Frueh, Light Curve Inversion Observability Analysis, Astrodynamics Specialist Conference, Portland, ME, Aug, 2019.
A. Friedman, C. Frueh, Observability and Estimability Analysis of the Orbit Problem, Astrodynamics Specialist Conference, Portland, ME, Aug, 2019.
S.N. Paul, C. Frueh, Long-term Survey of LAMR and HAMR Objects Using Analytic Techniques, Astrodynamics Specialist Conference, Portland, ME, Aug, 2019
B. Little, C. Frueh, SSA Sensor Tasking: Comparison of Machine Learning with Classical Optimization Methods, Advanced Maui Optical and Space Surveillance Technologies (AMOS) Conference, Maui, HI, Sep 2018
N. Houtz, C. Frueh, Streak Detection and Characterization in Ground-Based Optical Observations of Space Objects, AAS/AIAA Astrodynamics Specialist Conference, AAS-18-336, Snowbird, UT, Aug 2018
A. Burton, M. Zielinksi, C. Frueh, A. Mashiku, N. Memarsadeghi, Assessing Measures to Reliably Predict Collisions in the Presence of Uncertainty, AAS/AIAA Astrodynamics Specialist Conference, AAS 18-439, Snowbird, UT, Aug 2018
S. Fan, C. Frueh, A Light Curve Inversion Scheme for Artificial Objects, AAS/AIAA Astrodynamics Specialist Conference, AAS-18-441, Snowbird, UT, Aug 2018
A. Hinze, T. Schildknecht, H. Fiedler, C. Frueh, A Sensor Tasking Tool to Build-up and Maintain a Catalogue of Geosynchronous Space Objects, 42nd COSPAR Scientific Assembly, Pasadena, CA, Jul 2018
A. Friedman, C. Frueh, Observability Analysis Applied to Artificial Near-Earth Objects with Realistic Noise, Space Flight Mechanics Meeting, San Antonio, TX, Feb 2017
F. Khoury, S. Francis, C. Frueh, Comparison of Admissible Region Mapping for Too Short Arc Observations, Space Flight Mechanics Meeting, San Antonio, TX, Feb 2017
E.D. Delande, J. Houssineau, J. Franco, C. Frueh, D. Clark, A new Multi-Target Tracking Algorithm for A large number of orbiting objects, Space Flight Mechanics Meeting, San Antonio, TX, Feb 2017
Buzzoni, S. Fan, C. Frueh, G. Altavilla, I. Foppiani, M. Micheli,J. Nomen, N. Sanchez-Ortiz, The puzzling case of the deep-space debris WT1190F: A test bed for advanced SSA techniques, Stardust Conference, ESA ESTEC, Netherlands, Nov 2016
Frueh, H. Fiedler, J. Herzog, Realistic Sensor Tasking Strategies, AMOS Technical Conference, Maui, Hawaii, USA, Sep 2016
Pak, J. Correa, M. Adams, D. Clark, E. Delande, J. Houssineau, C. Frueh, Joint Target Detection and Tracking Filter for Chilbolton Advanced Meteorological Radar Data Processing, AMOS Technical Conference, Maui, Hawaii, USA, Sep 2016
S. Fan, C. Frueh, A Light Curve Simulation of The Apollo Lunar Ascent Module, Astrodynamics Specialist Conference, Palm Beach, Sept. 2016
S.N. Paul, C. Frueh, Space Debris Charging and its E_ect on Orbit Evolution, Astrodynamic Specialist Conference, Palm Beach, Sept. 2016
M. Soppet, C. Frueh, Stochastic Modeling of Solar Radiation Pressure on High Area-Mass Ratio Objects, Astrodynamics Specialist Conference, Palm Beach, Sept. 2016
J. Darling, N. Houtz, C. Frueh, K. DeMars, Recursive Filtering of Star Tracker Data, Astrodynamics Specialist Conference, Palm Beach, Sept. 2016
Bruce, C. Frueh, Monte Carlo Analysis of Common Two-Vector Attitude Determination Algorithms with Uncorrelated Gaussian Measurement Noise, Astrodynamics Specialist Conference, Palm Beach, Sept. 2016
R. Mellish, C. Frueh, Adaptive Taxonomy Modeling for Earth-Orbiting Object Differentiation, Astrodynamics Specialist Conference, Palm Beach, Sept. 2016
J. Franco, M. Delande, C. Frueh, J. Houssineau, D. Clark, A Spherical Coordinate Space Parameterization for
Orbit Estimation, proceedings of the IEEE Aerospace Conference, Montana, March 5 -- 12, 2016
C. Frueh, Observability of Space Debris, AAS 15-576, Proc. AIAA/AAS Astrodynamic Specialist Conference, Vail, Colorado, August 2015
F. Sanson, C. Frueh, Noise Quantification in Optical Observations of Resident Space Objects for Probability of Detection and Likelihood, AAS 15-635, Proc. AIAA/AAS Astrodynamic Specialist Conference, Vail, Colorado, August 2015
N. Houtz, C. Frueh, Spacecraft Attitude Simulation to Improve the Efficiency of Star Trackers, AAS 15-779, Proc. AIAA/AAS Astrodynamic Specialist Conference, Vail, Colorado, August 2015
C. Frueh, Modeling Impacts on Space Situational Awareness PHD-filter Tracking, ICCES, Reno, Nevada, July 2015
C. Frueh, Modified Encke Corrector Step Method for semi-coupled Orbit-Attitude Propagation, AAS 15-406, Proc. AAS Space Flight Mechanics Meeting, Williamsburg, VA, January 2015
C. Frueh, Effects of Thermal Re-radiation on Orbit and Attitude of High Area-to-Mass Ratio Objects using Different Models: YORP and Yarkoswki, AAS 15-403, Proc. AAS Space Flight Mechanics Meeting, Williamsburg, VA, January 2015
E.D. Delande, C. Frueh, J. Houssineau, D.E. Clark, Multi-Object Filtering for Space Situational Awareness, AAS 15-406, Proc. AAS Space Flight Mechanics Meeting, Williamsburg, VA, January 2015
J. S. McCabe, K. J. DeMars, C. Frueh, Integrated Detection and Tracking for Multiple Space Objects, Proc. AAS Space Flight Mechanics Meeting, Williamsburg, VA, January 2015
C. Früh, D. Ferguson, C. Lin, M. Jah, Passive Electrostatic Charging of Near-Geosynchronous Space Debris HAMR Objects and its Effects on the Coupled Object Dynamics, Proc. AAS Space Flight Mechanics Meeting, Santa Fe, NM, February 2014.
C. Früh, M. Jah, E.Valdez, P. Kervin, T. Kelecy, Phylogenetic Taxonomy for Artificial Space Objects, Proc. AAS Space Flight Mechanics Meeting, Santa Fe, NM, February 2014.
C. Früh, D. Ferguson, C. Lin, M. Jah, The effect of passive electrostatic charging on near geosynchronous high area to mass ratio objects, Proceedings of the International Astronautical Congress, 2013
S. Channumsin, M. Ceriotti, C. Früh, G. Radice, Orbital Dynamics of Lightweight Flexible Debris, Proceedings of the International Astronautical Congress, 2013.
Y. Cheng, C. Früh, K.J. DeMars, Comparison of PHD Filter and CPHD Filter for Space Object Tracking, Proc. AIAA/AAS Astrodynamics Specialists Conference, Hilton Head, August 2013
C. Früh, M. Jah, Detection Probability of Earth Orbiting Objects Using Optical Sensors in Different Observation Scenarios, Proc. AIAA/AAS Astrodynamics Specialists Conference, Hilton Head, August 2013.
C. Früh, M. Jah, E.Valdez, T. Kelecy, P. Kervin, Initial Taxonomy and Classification Scheme for Artificial Space Objects, Proceedings of the 2013 AMOS Technical Conference, Maui, Hawaii, USA, 2013.
C. Früh, M. Jah, E.Valdez, P. Kervin, T. Kelecy, Development of an Initial Taxonomy and Classification Scheme for Artificial Space Objects, Proc. ESA Space Debris Conference, Darmstadt, April 2013.
C. Früh, Attitude and Orbit Propagation of High Area-to-Mass Ratio (HAMR) Objects using a Semi-Coupled Approach, Proc. AAS Space Flight Mechanics Meeting, Kauai, HI, February 2013.
Y. Cheng, K.J. DeMars, C. Früh, M.K. Jah, Gaussian Mixture PHD Filter for Space Object Tracking, Proc. AAS Space Flight Mechanics Meeting, Kauai, HI, February 2013.
C. Früh, Coupled Orbit-Attitude Motion of High Area-to-Mass Ratio (HAMR) Objects including Self-Shadowing, Proc. AAS Space Flight Mechanics Meeting, Kauai, HI, February 2013.
I. I. Hussein, C. Früh, R. S Erwin, M.K. Jah, An AEGIS-FISST Algorithm for Joint Detection, Classification and Tracking, Proc. AAS Space Flight Mechanics Conference, Kauai, HI, February 2013.
C. Früh, T. Schildknecht, Attitude Motion of Space Debris under Influence of Solar Radiation Pressure and Gravity, Proceedings of the International Astronautical Congress 2012, A6.2.6, Naples, Italy, 1 - 5 Oct, 2012.
C. Früh, T. Kelecy, M. Jah, Attitude Dynamics Simulation of MLI Space Debris Objects in Geosynchronous Earth Orbit, Proc. AIAA/AAS Astrodynamics Specialists Conference, Minneapolis, MN, August 2012.
I. I.Hussein, K.J. DeMars,C. Früh, R.S. Erwin, M.K.Jah, An AEGIS-FISST Integrated Detection and Tracking Approach to Space Situational Awareness, Proc. AIAA/AAS Astrodynamics Specialists Conference, Minneapolis, MN, August 2012.
I. I. Hussein,K.J. DeMars, C. Früh, R.S. Erwin, M.K. Jah, An AEGIS-FISST Integrated Detection and Tracking Approach to Space Situational Awareness, 15th International Conference on Information Fusion, Singapore, July 2012.
C. Früh, T. Schildknecht, Combination of Light Curve Measurements and Orbit Determination for Space Debris Identification. In Proceedings of the International Astronautical Congress 2011, A6.1.14, Cape Town, South Africa, 3 - 7 Oct, 2011.
T. Schildknecht, W. Flury, C. Früh, J. Herzog, A. Hinze, A. Vananti, Using Optical Observations to Survey, Track, and Characterize Small-Size Objects at High Altitudes. In 28th International Symposium on Space Technology and Science, June 5-12, Okinawa, Japan, 2011.
C. Früh, T. Schildknecht, Area-to-Mass Variations of HAMR Objects Determined Using ZIMLAT Observations. In Proceedings of the International Symposium on Orbit Propagation and Determination, Lille, France, 26 - 28 September, 2011.
C. Früh, T. Schildknecht, A. Hinze, M. Reber, Optical Observation Campaign in the Framework of the ESA Space Surveillance System Precursor Services. In Proceedings of the European Space Surveillance Conference, Madrid, Spain, 7 - 9 June, 2011.
C. Früh, T. Schildknecht, Analysis of Observed and Simulated Light Curves of Space Debris. In Proceedings of the International Astronautical Congress 2010, A6.1.9, Prague, Czech Republic, 27 Sep- 1 Oct, 2010.
J. Herzog, C. Früh, T. Schildknecht, Build-up and Maintenance of a Catalogue of GEO Objects with ZimSMART and ZimSMART2. In Proceedings of the International Astronautical Congress 2010, A6.5.2, Prague, Czech Republic, 27 Sep- 1 Oct, 2010.
C. Früh, T. Schildknecht, Investigation of Properties and Characteristics of High-Area-to-Mass Ratio Objects Based on Examples of Optical Observation Data of Space Debris Objects in GEO-like Orbits. In Proceedings of the 2010 AMOS Technical Conference, Maui, Hawaii, USA,14-17 September 2010.
T.\,Schildknecht, C.\,Früh, A.\,Hinze, J.\,Herzog, Dynamical Properties
of High Area to Mass Ratio Objects in GEO-Like Orbits. In \textit{38th COSPAR Scientific Assembly. Held 18-15 July 2010, in Bremen, Germany}.
C. Früh, T. Schildknecht, Orbit Propagation and Validation with Angle-Only Observations. In Proceedings of the 20th AAS/AIAA Astrodynamics Specialist Conference, Toronto, Canada, August 2nd - 5th, 2010.
C. Früh, T. Schildknecht, M. Ploner, Comparison of different Methods of Ephemeris Retrieval for Correlation of Observations of Space Debris Objects. In Proceedings of the 2009 AMOS Technical Conference, Maui, Hawaii, USA, 1-4 September 2009.
C. Früh, T. Schildknecht, R. Musci, M. Ploner, Catalogue Correlation of Space Debris Objects. In Proceedings of the Fifth European Conference on Space Debris, ESOC, Darmstadt, Germany, 30 March-2 April 2009.
M. Ploner, T. Schildknecht, C. Früh, A. Vananti, Space Surveillance Observations at the Zimmerwald Observatory. In Proceedings of the Fifth European Conference on Space Debris, ESOC, Darmstadt, Germany, 30 March-2 April 2009.
T. Flohrer, H. Krag, H. Klinkrad, B. Bastida Virgili, C. Früh, Improving ESA's Collision Risk Estimates by an Assessment of he TLE orbit errors of the US SSN Catalogue. In Proceedings of the Fifth European Conference on Space Debris, ESOC, Darmstadt, Germany, 30 March-2 April 2009.
C. Früh, R. Musci, T. Schildknecht, Improved Method for Recognizing unknown Space Debris Objects on Series of CCD Frames. In Proceedings of the International Astronautical Congress 2008, A6.5.2, Glasgow, Scotland, Great Britain, 29 Sep- 3 Oct, 2008.
T. Schildknecht, R. Musci, C. Früh, M. Ploner, Color Photometry and Light Curve Observations of Space Debris GEO. In Proceedings of the International Astronautical Congress 2008, A6.1.4, Glasgow, Scotland, Great Britain, 29 Sep- 3 Oct, 2008.
T. Flohrer, T. Schildknecht, C. Früh, R. Musci, M. Ploner, Optical Observations at the Zimmerwald Observatory. In Proceedings of the International Astronautical Congress 2007, Hyderabad, India, 21 - 28 Sep, 2007.
Humanities
C. Früh, book review on Das geschenkte Universum, Astrophysik und Schopfung (Astrophysics and Creation), Arnold Benz, Patmos 2010, Internationale Kirchliche Zeitschrift (International Church Journal, IKZ), 102 (2012), Heft 1/2, Editor Prof. Dr. Urs von Arx
C. Früh, book review on Goettliche Weltoekonomie, Perspektiven der Wissenschaftlichen Revolution vom 15. bis zum 17. Jahrhundert, Dieter Groh, Suhrkamp 2010, Internationale Kirchliche Zeitschrift (International Church Journal, IKZ), January 2013, Editor Prof. Dr. Urs von Arx
C. Früh, book review on Goettliche Weltoekonomie, Perspektiven der Wissenschaftlichen Revolution vom 15. bis zum 17. Jahrhundert (Divine World Economy, perspectives of the scientific revolution from the 15th to the 17th century), German, Dieter Groh, Suhrkamp 2010, 46 (4), December 2011, Zygon, Journal of Religion and Science, 1100 East 55th Street, Chicago, IL
60615-5112, USA
Fiction
C. Früh, Short story Schlangenwelt, Kalliope Zeitschrift fuer Literatur und Kunst (Journal of Literature and Art), Bernstein Verlag, I/2008, p.38