Publications
Abdulrahman Abdrabou. UNRAVELING THE MOVING SKY: OPTIMIZING SENSOR TASKING FOR SPACE SITUATIONAL AWARENESS. Master's thesis, Purdue University, 2025. URL: https://hammer.purdue.edu/articles/thesis/UNRAVELING_THE_MOVING_SKY_OPTIMIZING_SENSOR_TASKING_FOR_SPACE_SITUATIONAL_AWARENESS/28831994/1 (visited on 2025-05-02), doi:10.25394/PGS.28831994.V1.
Abdulrahman Abdrabou, Juan Gutierrez, and Carolin Frueh. Purdue optical ground station sensor tasking optimization and multi-target tracking with a multi-layer phd filter. In Proceedings of the 9th European Conference on Space Debris, volume 9. ESA Space Debris Office, 2025.
Austin Michael Aden. Dynamics-Based Cislunar Uncertainty Characterization. Master's thesis, Purdue University, 4 2025. URL: https://hammer.purdue.edu/articles/thesis/_b_Dynamics-Based_Cislunar_Uncertainty_Characterization_b_/28836656, doi:10.25394/PGS.28836656.v1.
Nicholas Baietto. Space object correlation between the space-track and vimpel catalogs. Master's thesis, Purdue University, 2022.
Brian Baker-McEvilly, Surabhi Bhadauria, David Canales, and Carolin Frueh. A comprehensive review on cislunar expansion and space domain awareness. Progress in Aerospace Sciences, 147:101019, 2024.
Brian P Baker-McEvilly, Jared Rose, Surabhi Bhadauria, David Canales, Carolin Frueh, and Hancheol Cho. Performance of observational spacecraft across orbit families for space domain awareness in the cislunar realm. In AIAA SCITECH 2024 Forum, 2067. 2024.
S. Bhadauria, C. Frueh, and K. Howell. Cislunar space domain awareness using bi-circular four body geometry. In AAS/AIAA Astrodynamics Specialist Conference. 2022.
Surabhi Bhadauria. Association of too short arcs using admissible region. Master's thesis, Purdue University, 2020.
Surabhi Bhadauria, Ariel Black, and Carolin Frueh. Cislunar surveillance optimization and key region identification. In Proceedings of the 2024 Advanced Maui Optical and Space Surveillance Technologies Conference. 2024.
Surabhi Bhadauria, Arly Black, and Carolin Frueh. Cislunar key region surveillance optimization. Journal of Astronautical Sciences, 2025. Submitted.
Surabhi Bhadauria and Carolin Frueh. Association of too short arcs using admissible region. In AAS/AIAA Astrodynamics Specialist Conference. 2020.
Surabhi Bhadauria and Carolin Frueh. Optical observation regions in cislunar space using the bi-circular restricted four body problem geometry. In Proceedings of the 2022 Advanced Maui Optical and Space Surveillance Technologies Conference, 28–30. 2022.
Arly Black. Decluttering the Cosmos: Characterizing Fragmentation Behaviour in Cislunar and Near Earth Environments for Space Domain Awareness. PhD thesis, Purdue University, December 2024. URL: https://hammer.purdue.edu/articles/thesis/Decluttering_the_Cosmos_Characterizing_Fragmentation_Behaviour_in_Cislunar_and_Near_Earth_Environments_for_Space_Domain_Awareness/27963861.
Arly Black and Carolin Frueh. Characterizing cislunar fragmentations. In 24th Advanced Maui Optical and Space Surveillance Technologies Conference, Maui, HI. 2023. URL: https://amostech.com/TechnicalPapers/2023/Cislunar-SSA/Black.pdf.
Arly Black and Carolin Frueh. Investigation of fragmentation events in the cislunar domain. In 33rd AAS/AIAA Space Flight Mechanics Meeting, Austin, TX. January 2023.
Arly Black and Carolin Frueh. Uncertainty analysis of atlas v centaur upper stage fragmentation events. In 33rd AAS/AIAA Space Flight Mechanics Meeting, Austin, TX. 2023.
Arly Black and Carolin Frueh. Fragmentation characterization in the circular restricted three body problem for cislunar space domain awareness. Advances in Space Research, January 2024. URL: https://doi.org/10.1016/j.asr.2024.08.076, doi:10.1016/j.asr.2024.08.076.
Adam Bruce. Statistical characterization of attitude determination algorithms using two noisy vector measurements. Master's thesis, Purdue University, 2016. URL: https://docs.lib.purdue.edu/open_access_theses/1236/.
Adam L Bruce and Carolin Frueh. Monte carlo analysis of common two-vector attitude determination algorithms with uncorrelated gaussian measurement noise. In AIAA/AAS Astrodynamics Specialist Conference. Sep 2016. URL: https://arc.aiaa.org/doi/epdf/10.2514/6.2016-5673, doi:https://doi.org/10.2514/6.2016-5673.
Adam L. Bruce, Vera M. Zeidan, and Dennis S. Bernstein. What is the koopman operator? a simplified treatment for discrete-time systems. In 2019 American Control Conference (ACC). IEEE, Jul 2019. URL: https://ieeexplore.ieee.org/abstract/document/8814306, doi:https://doi.org/10.23919/acc.2019.8814306.
A Burton and C Frueh. Two methods for light curve inversion for space object attitude determination. In 8th European Conference on Space Debris. 2021.
A Burton and C Frueh. Fast light curve inversion for all - regular and tumbling - attitudes. In Advanced Maui Optical and Space Surveillance Technologies Conference 2023. 2023.
Alex Burton and Carolin Frueh. Light curve attitude estimation using the viewing sphere. In Astrodynamics Specialist Conference 2020. 2020.
Alexander Burton. ATTITUDE ESTIMATION USING LIGHT CURVES. PhD thesis, Purdue University, 7 2024. URL: https://hammer.purdue.edu/articles/thesis/ATTITUDE_ESTIMATION_USING_LIGHT_CURVES/26383684, doi:10.25394/PGS.26383684.v1.
Alexander Burton and Siwei Fan. Mapping the solution space for light curve attitude estimation. 43rd COSPAR Scientific Assembly. Held 28 January-4 February, 43:2193, 2021.
Alexander Burton, Liam Robinson, and Carolin Frueh. Attitude estimation from light curves using particle swarm optimizers. In The Second International Orbital Debris Conference. 2023.
Alexander Burton, Liam Robinson, and Carolin Frueh. Attitude estimation using light curves: a particle swarm approach. In AIAA SciTech 2024 Forum. 2024.
Alexander Burton, Liam Robinson, and Carolin Frueh. Light curve attitude estimation using particle swarm optimizers. Advances in Space Research, 2024. URL: https://www.sciencedirect.com/science/article/pii/S0273117724009281, doi:https://doi.org/10.1016/j.asr.2024.09.008.
T. Schildknecht C. Frueh. Accuracy of two line element data for geostationary and high-eccentricity orbits. Journal of Guidance, Control, and Dynamics, 35(5):1483–1491, 2012.
Dan Curren. Targeting algorithm for multi-object tracking with space-based observers in cislunar space. Master's thesis, Purdue University Graduate School, 2023.
Daigo Kobayashi, Alexander Burton and Carolin Frueh. AI-assisted near-field monocular monostatic pose estimation of spacecraft. In Proceedings of the Advanced Maui Optical and Space Surveillance Technologies Conference, Maui, HI. sep 2023.
Jacob Darling, Nathan Houtz, Carolin Frueh, and Kyle J DeMars. Recursive filtering of star tracker data. In AIAA/AAS Astrodynamics Specialist Conference, 5672. Long Beach, California, 2016. doi:10.2514/6.2016-5672.
Roshan Thomas Eapen and Carolin Frueh. Averaged solar radiation pressure modeling for high area-to-mass ratio objects in geosynchronous orbits. Advances in Space Research, 63(1):127–141, jul 2018. doi:10.1016/j.asr.2018.03.042.
R.D. Falck, S.L. McCarty, J. Pekosh, and K. Ponnapalli. Implicit formulations of bounded-impulse trajectory models for preliminary interplanetary low-thrust analysis. In AIAA Scitech 2020 Forum, volume 1 PartF. 2020. doi:10.2514/6.2020-2185.
S Fan and C Frueh. Multi-hypothesis light curve inversion scheme for convex objects with minimal observations. In Proceedings of the 8th European Conference on Space Debris, 1–7. ESA Space Debris Office, 2021.
Siwei Fan. The Light Curve Simulation and Its Inversion Problem for Human-Made Space Objects. PhD thesis, Purdue University, August 2020. doi:10.25394/PGS.12749570.v1.
Siwei Fan, Alexander Friedman, and Carolin Frueh. Satellite shape recovery from light curves with noise. In Advanced Maui Optical and Space Surveillance Conference. September 2019.
Siwei Fan and Carolin Frueh. A direct light curve inversion scheme in the presence of measurement noise. The Journal of the Astronautical Sciences, 67:, 08 2019. doi:10.1007/s40295-019-00190-3.
Siwei Fan, Carolin Frueh, and Alberto Buzzoni. A light curve simulation of the apollo lunar ascent module. In AIAA/AAS Astrodynamics Specialist Conference, 1–10. 2016. doi:10.2514/6.2016-5504.
C. Frueh, K. DeMars, K. Howell, S. Bhadauria, and M. Gupta. Cislunar Space Traffic Management: Surveillance Through Earth-Moon Resonance Orbits. In 8th European Conference on Space Debris. 2021.
C. Frueh, H. Fiedler, and J. Herzog. Heuristic and optimized sensor tasking observation strategies with exemplification for geosynchronous objects. Journal of Guidance, Control, and Dynamics, 41(5):1036–1048, 2018. doi:10.2514/1.G003123.
C. Frueh, K. Howell, K. DeMars, and S. Bhadauria. Cislunar Space Situational Awareness. In AAS Space Flight Mechanics Meeting. 2021.
C. Frueh, B. Little, and J. McGraw. Optical sensor model and its effects on the design of sensor networks and tracking. In Advanced Maui Optical and Space Surveillance Conference (AMOS). Maui, Hawaii, September 2019.
Carolin Frueh. Space traffic management. Lecture Notes AAE590, School of Aeronautics and Astronautics, Purdue University, 2023.
Daniel Galea, Hsi-Yen Ma, Wen-Ying Wu, and Daigo Kobayashi. Deep learning image segmentation for atmospheric rivers. Artificial Intelligence for the Earth Systems, 3(1):230048, 2024. doi:10.1175/AIES-D-23-0048.1.
Juan Gutierrez, Keric Hill, Erica Jenson, Daniel Scheeres, Jill C. Bruer, Ryan D. Coder, and Afrlrv. Classifying state uncertainty for earth-moon trajectories. In Proceeedings of the Advanced Maui Optical and Space Surveillance Technologies Conference. 2022. URL: https://api.semanticscholar.org/CorpusID:265217788.
Johannes Herzog, Abdulrahman Abdrabou, Hauke Fiedler, and Carolin Frueh. Test campaign of the optimized maintenance and survey tasking (OMST) strategy with multiple telescope stations. In 22nd IAA Symposium on Space Debris, 1769–1779. International Astronautical Federation (IAF), 2024. URL: http://www.proceedings.com/078360-0170.html (visited on 2025-02-05), doi:10.52202/078360-0170.
Nathan Houtz and Carolin Frueh. Spacecraft attitude determination simulation to improve the efficiency of a star tracker. In AIAA/AAS Astrodynamics Specialist Conference. Vail, CO, 2015.
Nathan Houtz and Carolin Frueh. Streak detection and characterization in ground-based optical observations of space objects. In AIAA/AAS Astrodynamics Specialist Conference. Snowbird, UT, 2018.
Nathan Houtz and Carolin Frueh. Efficient streak detection and plate-solving techniques. In 8th European Conference on Space Debris, volume 8. Snowbird, UT, 2021.
Patrick M Kelly. Optical astrometry and orbit determination. Master's thesis, Purdue University, 2020.
Daigo Kobayashi. Exploration of compressed sensing for satellite characterization. Master's thesis, Purdue University, 2020. URL: https://www.proquest.com/dissertations-theses/exploration-compressed-sensing-satellite/docview/2827703763/se-2.
Daigo Kobayashi and Carolin Frueh. Compressed sensing for satellite characterization. In AIAA/AAS Astrodynamics Specialist Conference. aug 2020.
Daigo Kobayashi and Carolin Frueh. Compressed sensing for satellite characterization: a first step using simulations. In 43rd COSPAR Scientific Assembly. feb 2021.
Daigo Kobayashi and Carolin Frueh. Compressed sensing for satellite characterization: shadowing as a sensing matrix. In 8th European Conference on Space Debris. apr 2021.
Daigo Kobayashi and Carolin Frueh. Reformulating compressed sensing to be used with semi-resolved point spread function and light curves for space object imaging: LEO. In Proceedings of the Advanced Maui Optical and Space Surveillance Technologies Conference, Maui, HI. sep 2022.
Daigo Kobayashi and Carolin Frueh. Image-based satellite characterization for low earth orbit. In 33rd AAS/AIAA Space Flight Mechanics Conference, Austin, TX. jan 2023.
Daigo Kobayashi and Carolin Frueh. Image recovery for low-earth orbit by leveraging turbulence and light curves. Journal of Guidance, Control and Dynamics, 47(4):623–637, 2024. doi:doi/abs/10.2514/1.G007634.
Geoffrey A. Landis, Steven R. Oleson, Elizabeth R. Turnbull, Ralph D. Lorenz, David A. Smith, Thomas Packard, John Z. Gyekenyesi, Anthony J. Colozza, James E. Fittje, Jeffrey Pekosh, and Zach Zoloty. Mission Incredible: A Titan Sample Return Using In-Situ Propellants. In AIAA SCITECH 2022 Forum. Reston, Virginia, jan 2022. American Institute of Aeronautics and Astronautics. doi:10.2514/6.2022-1570.
B. Little and C. Frueh. Ssa sensor tasking: comparison of machine learning with classical optimization methods. In Advanced Maui Optical and Space Surveillance Technologies (AMOS) Conference. Maui, Hawaii, September 2018.
B. Little and C. Frueh. No feedback multi-sensor tasking. In AAS/AIAA Astrodynamics Specialist Conference. Portland, Maine, August 2019.
B. D. Little and C. E. Frueh. Multiple heterogeneous sensor tasking optimization in the absence of measurement feedback. Journal of the Astronautical Sciences, 67:1678–1707, 2020. URL: https://doi.org/10.1007/s40295-020-00232-1, doi:10.1007/s40295-020-00232-1.
Bryan D. Little and Carolin E. Frueh. Space situational awareness sensor tasking: comparison of machine learning with classical optimization methods. Journal of Guidance, Control, and Dynamics, 43(2):262–273, 2020. doi:10.2514/1.G004279.
Christopher G C.G. Lorenz, A.W. Alexander W Case, J.D. Jeffrey D Pekosh, D.M. Drew M Ahern, Thomas Bernhardt, Sabeeh Butt, V.L. Victoria L Coverstone, E.A. Eric A Eiler, Alexander Ghosh, Patrick Haddox, Alexander Kite, Kevin Lohan, L.F.S. dos Santos, Luiz Felipe Santana, and Dos Santos. An Atmosphere and Plume Explorer of the Jovian System. In AIAA SPACE 2015 Conference and Exposition. 2015. doi:10.2514/6.2015-4535.
Raja Manish. Linear and non-linear estimation techniques: theory and comparison. 2014. URL: https://arxiv.org/abs/1406.5556, arXiv:1406.5556.
Raja Manish. Profile fitting in crowded astronomical images. Master's thesis, Purdue University, 2016.
Ralph L. McNutt, Steven R. Vernon, Pontus C. Brandt, Michael V. Paul, and Robert P. Lusthaus. High-speed scientific spacecraft launches with commercial launch vehicles. Acta Astronautica, 217:18–26, Apr 2024. doi:10.1016/j.actaastro.2024.01.024.
Brian McReynolds, Rui Graca, Rachel Oliver, Masashi Nishiguchi, and Tobi Delbruck. Demystifying event-based sensor biasing to optimize signal to noise for space domain awareness. In Advanced Maui Optical and Space Surveillance Technologies Conference (AMOS). University of Zurich, 2023.
Colin Miller. Efforts in solving the dilution problem for orbital collisions. Master's thesis, Purdue University, 2022.
M. Nishiguchi, C. Frueh, and B. McReynolds. Event-based vision sensor physics-based digital twin for tuning ssa use. In Proceedings of the< a href= https://www. amostech. com> Advanced Maui Optical and Space Surveillance (AMOS) Technologies Conference</a, 121. 2024.
S. N. Paul, B. D. Little, and C. Frueh. Detection of unknown space objects based on optimal sensor tasking and hypothesis surfaces using variational equations. Journal of the Astronautical Sciences, 69:1179–1215, 2022. URL: https://doi.org/10.1007/s40295-022-00333-z, doi:10.1007/s40295-022-00333-z.
Smriti Nandan Paul and Carolin Frueh. Space debris charging and its effect on orbit evolution. In AIAA/AAS Astrodynamics Specialist Conference. 2016.
Smriti Nandan Paul and Carolin Frueh. Space object charging and its effect on orbit evolution. Journal of Guidance, Control, and Dynamics, 40(12):3180–3198, sep 2017. doi:10.2514/1.G002733.
Smriti Nandan Paul and Carolin Frueh. Long-term survey of lamr and hamr objects using analytic techniques. In AIAA/AAS Astrodynamics Specialist Conference. aug 2019.
Smriti Nandan Paul and Carolin Frueh. Analytical expressions for orbital perturbations due to lorentz force. Acta Astronautica, 182:466–485, may 2021. doi:0.1016/j.actaastro.2021.01.056.
Smriti Nandan Paul, Brian Little, and Carolin Frueh. Detection of unknown space objects based on optimal sensor tasking and hypothesis surfaces using variational equations. Journal of Astronautical Sciences, jul 2022. doi:10.1007/s40295-022-00333-z.
Jeffrey D Pekosh and James M. Longuski. Enumeration of the Multiple-Outage Missed-Thrust Problem. Journal of the Astronautical Sciences, 2024.
Jeffrey D Pekosh and Steven L Mccarty. AAS 22-550 Titan Sample Return Mission Using V-Infinity Leveraging. In Proceedings of the Astrodynamics Specialists Conference, 1–14. Charlotte, NC, 2022.
Pavithra Ravi, Arly Black, and Carolin Frueh. Investigation of atlas v centaur upper stage fragmentation events. The Journal of the Astronautical Sciences, 70(3):12, 2023. URL: https://doi.org/10.1007/s40295-023-00377-9.
Liam Robinson and Carolin Frueh. Light curve inversion for reliable shape reconstruction of human-made space objects. In Proceedings of the 32nd AIAA/AAS Astrodynamics Specialist Conference, 1–19. 09 2022.
Liam Robinson and Carolin Frueh. A ccd/cmos telescope digital twin for space situational awareness. Advances in Space Research, 2025. Submitted.
Liam Robinson and Carolin Frueh. Global light curve attitude estimation with noisy measurements and inertia uncertainty. Journal of Astronautical Sciences, 2025. Submitted.
Liam James Robinson. Light Curve Simulation and Shape Inversion for Human-Made Space Objects. Master's thesis, Purdue University, 12 2023. URL: https://hammer.purdue.edu/articles/thesis/_b_LIGHT_CURVE_SIMULATION_AND_SHAPE_INVERSION_FOR_HUMAN-MADE_SPACE_OBJECTS_b_/24728835, doi:10.25394/PGS.24728835.v1.
Michael J Rose and Carolin E Frueh. SENSOR TASKING ANALYSIS FOR AN OPTICAL SENSOR NETWORK DESIGNED FOR COMPLETE GEO COVERAGE. In Proceedings of the European Conference on Space Debris, 14. 2019.
Michael James Rose. Optical sensor uncertainties and variable repositioning times in the single and multi-sensor tasking problem. Master's thesis, Purdue University, 2020. Artwork Size: 25345238 Bytes, Publisher: Purdue University Graduate School. URL: https://hammer.purdue.edu/articles/thesis/Optical_Sensor_Uncertainties_and_Variable_Repositioning_Times_in_the_Single_and_Multi-Sensor_Tasking_Problem/13356188/1 (visited on 2025-01-07), doi:10.25394/PGS.13356188.V1.
Jillian Ross. Pulsar-based orbit determination for navigation in a cislunar cold-start scenario. Master's thesis, Purdue University, 2025.
Rohith Reddy Sanaga and Carolin Frueh. Method for multi-target tracking using a phd-filter in the presence of uncertain probability of detection. In First Orbital Debris Conference. dec 2019.
Rohith Reddy Sanaga and Carolin Frueh. Probability hypothesis density filter with uncertainty in the probability of detection. Advances in Space Research, 67(5):1437–1453, mar 2021. doi:10.1016/j.asr.2020.11.035.
Francois Sanson and Carolin Frueh. Noise quantification in optical observations of resident space objects for probability of detection and likelihood. In Proceedings of the AIAA/AAS Astrodynamic Specialist Conference. 8 2015.
Francois Sanson and Carolin Frueh. Noise estimation and probability of detection in non-resolved images: application to space object observation. Advances in Space Research, 64(7):1432–1444, 2019. URL: https://www.sciencedirect.com/science/article/pii/S0273117719304934, doi:https://doi.org/10.1016/j.asr.2019.07.003.
Francois Sanson and Carolin Frueh. Quantifying uncertainties in signal position in non-resolved object images: application to space object observation. Advances in Space Research, 63(8):2436–2454, 2019. URL: https://www.sciencedirect.com/science/article/pii/S0273117719300067, doi:https://doi.org/10.1016/j.asr.2018.12.040.
M P Ulmer, V L Coverstone, J Cao, Y.-W Chung, M.-C Corbineau, A Case, B Murchison, C Lorenz, G Luo, J Pekosh, J Sepulveda, A Schneider, X Yan, and S Ye. APERTURE, a Large Telescope using Magnetostriction for Post Deployment Corrections. In SPIE Astronomical Telescopes + Instrumentation. 2016.
M. P. Ulmer, V. L. Coverstone, J. Cao, Y.-W. Chung, M.-C. Corbineau, A. Case, B. Murchison, C. Lorenz, G. Luo, J. Pekosh, J. Sepulveda, A. Schneider, X. Yan, and S. Ye. APERTURE: a precise extremely large reflective telescope using re-configurable elements. In Proceedings of SPIE - The International Society for Optical Engineering, volume 9904, 99041I. 2016. doi:10.1117/12.2231679.