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James M. Longuski
Professor, School of Aeronautics & Astronautics
 
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Conference Papers and Presentations

  1. Longuski, J.M., "Solution of Euler's Equations of Motion and Eulerian Angles for Near Symmetric Rigid Bodies Subject to Constant Moments," AIAA Paper No. 80-1642, AIAA/AAS Astrodynamics Conference, Danvers, Massachusetts, August 11-13, 1980.
  2. Longuski, J.M., "Comments on the Leimanis Solution of Self-Excited Rigid Body," Paper No. 81-104, AAS/AIAA Astrodynamics Specialist Conference, Lake Tahoe, Nevada, August 3-5, 1981.
  3. Longuski, J.M., "Galileo Maneuver Analysis," Paper No. 81-137, AAS/AIAA Astrodynamics Specialist Conference, Lake Tahoe, Nevada, August 3-5, 1981.
  4. Longuski, J.M., "Simulation of the Galileo Spacecraft Axial Delta-V Algorithm," Proceedings of the 10th IMAC (International Association for Mathematics and Computers in Simulation) World Congress on System Simulation and Scientific Computation, Volume 3, page 235, Montreal, Canada, August 8-13, 1982.
  5. Longuski, J.M. and König, W., "A Survey of Nongravitational Forces and Space Environmental Torques with Applications to the Galileo Spacecraft," AIAA Paper No. 82-1457, AIAA/AAS Astrodynamics Conference, San Diego, California, August 9-11, 1982.
  6. Longuski, J.M. and Kia, T., "A Parametric Study of the Behavior of the Angular Momentum Vector During Spin Rate Changes of Rigid Body Spacecraft," AIAA Paper No. 82-1467, AIAA/AAS Astrodynamics Conference, San Diego, California, August 9-11, 1982.
  7. Hintz, G.R. and Longuski, J.M., "Mission Analysis for the Delivery of a Spinning Probe to Jupiter," AAS Paper 83-312, AAS/AIAA Astrodynamics Specialist Conference, Lake Placid, New York, August 22-25, 1983.
  8. Longuski, J.M., Kia, T., and Breckenridge, W.G., "Annihilation of Angular Momentum Drift During Spinning-Up and Thrusting Maneuvers of Rigid Bodies," AAS Paper No. 83-408, AAS/AIAA Astrodynamics Specialist Conference, Lake Placid, New York, August 22-25, 1983.
  9. Vinh, N.X., Johannesen, J.R., Longuski, J.M., and Hanson, J.M., "Second-Order Analytic Solution for Aerocapture and Ballistic Fly-Through Trajectories," AAS Paper No. 83-415, AAS/AIAA Astrodynamics Specialist Conference, Lake Placid, New York, August 22-25, 1983.
  10. Longuski, J.M. and Myers, M.R., "Analytic Models of Mapping Coverage of the Galilean Satellites," AIAA Paper 84-1998, AIAA/AAS Astrodynamics Conference, Seattle, Washington, August 20-22, 1984.
  11. Klumpe, E.W. and Longuski, J.M., "Secular Solution for Delta-V During Spin Rate Change Maneuvers of Rigid Body Spacecraft," AIAA Paper 84-2011, AIAA/AAS Astrodynamics Conference, Seattle, Washington, August 20-22, 1984.
  12. Kia, T. and Longuski, J.M., "Error Analysis of Analytic Solutions for Self-Excited Near Symmetric Rigid Bodies: A Numerical Study," AIAA Paper 84-2018, AIAA/AAS Astrodynamics Conference, Seattle, Washington, August 20-22, 1984.
  13. Longuski, J.M. and Wolf, A.A., "The Galileo Orbital Tour for the 1986 Launch Opportunity," AIAA Paper 86-2006-CP, AIAA/AAS Astrodynamics Conference, Williamsburg, Virginia, August 18-20, 1986.
  14. Friedlander, A., Niehoff, J., Byrnes, D., and Longuski, J.M., "Circulating Transportation Orbits between Earth and Mars," AIAA Paper 86-2009-CP, AIAA/AAS Astrodynamics Conference, Williamsburg, Virginia, August 18-20, 1986.
  15. Longuski, J.M., "An Analytic-Geometric Model of the Effect of Spherically Distributed Injection Errors for the Galileo and Ulysses Spacecraft," AAS Paper 87-487, AAS/AIAA Astrodynamics Specialist Conference, Kalispell, Montana, August 10-13, 1987.
  16. Longuski, J.M. and McRonald, A.D., "An Analytic-Geometric Model of the Effect of Spherically Distributed Injection Errors for Galileo and Ulysses Spacecraft: The Multi-Stage Problem," AIAA Paper 88-4245-CP, AIAA/AAS Astrodynamics Conference, Minneapolis, Minnesota, August 15-17, 1988.
  17. Longuski, J.M., Campbell, R.S., and Klumpe, E.W., "Error Analysis for Pulsed Maneuvers of a Dual-Spin Spacecraft," AAS Paper 89-396, AAS/AIAA Astrodynamics Specialist Conference, Stowe, Vermont, August 7-10, 1989.
  18. Puig-Suari, J. and Longuski, J.M., "Modeling and Analysis of Orbiting Tethers in an Atmosphere," AIAA Paper 90-2897, AIAA/AAS Astrodynamics Conference, Portland, Oregon, August 20-22, 1990.
  19. Williams, S.N. and Longuski, J.M., "Automated Design of Multiple Encounter Gravity-Assist Trajectories," AIAA Paper 90-2982, AIAA/AAS Astrodynamics Conference, Portland, Oregon, August 20-22, 1990.
  20. Longuski, J.M., "Real Solutions for the Attitude Motion of a Self-Excited Rigid Body," IAF Paper 90-317, 41st Congress of the International Astronautical Federation, Dresden, Germany, October 6-12, 1990.
  21. Longuski, J.M. and Tsiotras, P., "Attitude Motion of a Rigid Body Subject to Polynomial Torques," AAS Paper 91-405, AAS/AIAA Astrodynamics Conference, Durango, Colorado, August 19-22, 1991.
  22. Tsiotras, P. and Longuski, J.M., "Analytic Solutions for the Attitude Motion of Spinning Rigid Bodies Subject to Periodic Torques," AAS Paper 91-404, AAS/AIAA Astrodynamics Conference, Durango, Colorado, August 19-22, 1991.
  23. Puig-Suari, J. and Longuski, J.M., "Perturbation Analysis of Aerocapture with Tethers," AAS Paper 91-549, AAS/AIAA Astrodynamics Conference, Durango, Colorado, August 19-22, 1991.
  24. Longuski, J.M. and Puig-Suari, J., "Hyperbolic Aerocapture and Elliptic Orbit Transfer with Tethers," IAF Paper 91-339, 42nd Congress of the International Astronautical Federation, Montreal, Canada, October 5-11, 1991.
  25. Tsiotras, P. and Longuski, J.M., "A Complex Analytic Solution for the Attitude Motion of a Near-Symmetric Rigid Body Under Body-Fixed Torques," IAF Paper No. 91-359, 42nd Congress of the International Astronautical Federation, Montreal, Canada, October 5-11, 1991.
  26. Puig-Suari, J. and Longuski, J.M., "Aerocapture with a Flexible Tether," AIAA Paper No. 92-4662, AIAA/AAS Astrodynamics Conference, Hilton Head Island, South Carolina, August 10-12, 1992.
  27. Puig-Suari, J., Longuski, J.M., and Mechalas, J., "Aerobraking Tethers for the Exploration of the Solar System," IAF Paper No. 92-0001, 43rd Congress (The World Space Congress) of the International Astronautical Federation, Washington, D.C., August 28-September 5, 1992.
  28. Tsiotras, P. and Longuski, J.M., "On the Large Angle Problem in Rigid Body Attitude Dynamics," IAF Paper No. 92-0034, 43rd Congress (The World Space Congress) of the International Astronautical Federation, Washington, D.C., August 28-September 5, 1992.
  29. Tsiotras, P. and Longuski, J.M., "On Attitude Stabilization of Symmetric Spacecraft with Two Control Torques," American Control Conference, San Francisco, California, June 2-4, 1993.
  30. Tsiotras, P. and Longuski, J.M., "Analytic Solution of Euler's Equations of Motion for an Asymmetric Rigid Body," AAS Paper 93-580, AAS/AIAA Astrodynamics Conference, Victoria, British Columbia, Canada, August 16-19, 1993.
  31. Patel, M.R. and Longuski, J.M., "Automated Design of Delta-V Gravity-Assist Trajectories for Solar System Exploration," AAS Paper 93-682, AAS/AIAA Astrodynamics Conference, Victoria, British Columbia, Canada, August 16-19, 1993.
  32. Puig-Suari, J., Longuski, J.M., and Tragesser, S., "A Three Dimensional Hinged-Rod Model for Flexible-Elastic Aerobraking Tethers," AAS Paper 93-730, AAS/AIAA Astrodynamics Conference, Victoria, British Columbia, Canada, August 16-19, 1993.
  33. Longuski, J.M., Puig-Suari, J., Tsiotras, P., and Tragesser, S., "Optimal Mass for Aerobraking Tethers," 44th Congress of the International Astronautical Federation, Graz, Austria, October 16-22, 1993.
  34. Tsiotras, P., Corless, M., and Longuski, J.M., "Invariant Manifold Techniques for Attitude Control of Symmetric Spacecraft," 32nd IEEE Conference on Decision and Control, San Antonio, Texas, December 15-17, 1993.
  35. Sims, J.A. and Longuski, J.M., "Aerogravity-Assist Trajectories to the Outer Planets," IAA-L-0405P, IAA International Conference on Low-Cost Planetary Missions, Laurel, Maryland, April 12-15, 1994.
  36. Patel, J.R. and Longuski, J.M., "A Uranus-Neptune-Pluto Opportunity," IAA-L-0408, IAA International Conference on Low-Cost Planetary Missions, Laurel, Maryland, April 12-15, 1994.
  37. Puig-Suari, J., Longuski, J.M., and Tragesser, S., "A Tether Sling for Lunar and Interplanetary Exploration," IAA-L-0701P, IAA International Conference on Low-Cost Planetary Missions, Laurel, Maryland, April 12-15, 1994.
  38. Beck, R.A. and Longuski, J.M., "Analytic Solution for the Velocity of a Rigid Body During Spinning-Up Maneuvers," AIAA Paper No. 94-3713, AIAA/AAS Astrodynamics Conference, Scottsdale, Arizona, August 1-3, 1994.
  39. Tragesser, S.G., Longuski, J.M., Puig-Suari, J., and Mechalas, J.P., "Analysis of the Optimal Mass Problem for Aerobraking Tethers," AIAA Paper No. 94-3747, AIAA/AAS Astrodynamics Conference, Scottsdale, Arizona, August 1-3, 1994.
  40. Patel, M.R., Longuski, J.M., and Sims, J.A., "Mars Free Return Trajectories," AIAA Paper No. 94-3766, AIAA/AAS Astrodynamics Conference, Scottsdale, Arizona, August 1-3, 1994.
  41. Petropoulos, A.E. and Longuski, J.M., "Analysis of Mapping Coverage Obtained from Spacecraft," AIAA Paper No. 94-3767, AIAA/AAS Astrodynamics Conference, Scottsdale, Arizona, August 1-3, 1994.
  42. Sims, J.A. and Longuski, J.M., "Analysis of V∞ Leveraging for Interplanetary Missions," AIAA Paper No. 94-3769, AIAA/AAS Astrodynamics Conference, Scottsdale, Arizona, August 1-3, 1994.
  43. Tragesser, S.G., Longuski, J.M., and Puig-Suari, J., "An Analytic Characterization of the Optimal Mass Problem for Aerobraking Tethers," Proceedings of the Fourth International Conference on Tethers In Space, pp. 1217-2381, Washington, D.C., April 10-14, 1995.
  44. Tragesser, S.G., Longuski, J.M., and Puig-Suari, J., "A General Approach to Aerobraking Tether Design," AAS Paper 95-353, AAS/AIAA Astrodynamics Conference, Halifax, Nova Scotia, Canada, August 14-17, 1995.
  45. Sims, J.A., Longuski, J.M., and Staugler, A.J., "V∞ Leveraging for Interplanetary Missions: Multiple-Revolution Orbit Techniques," AAS Paper 95-306, AAS/AIAA Astrodynamics Conference, Halifax, Nova Scotia, Canada, August 14-17, 1995.
  46. Randall, L.A., Longuski, J.M., and Beck, R.A., "Complex Analytic Solutions for a Spinning Rigid Body Subject to Constant Transverse Torques," AAS Paper 95-373, AAS/AIAA Astrodynamics Conference, Halifax, Nova Scotia, Canada, August 14-17, 1995.
  47. Beck, R.A. and Longuski, J.M., "Annihilation of Transverse Velocity Bias During Spinning-Up Maneuvers," AAS Paper 95-414, AAS/AIAA Astrodynamics Conference, Halifax, Nova Scotia, Canada, August 14-17, 1995.
  48. Sims, J.A., Longuski, J.M., and Staugler, A.J., "Trajectory Options for Low-Cost Missions to Asteroids," IAA-L-0206, Second IAA International Conference on Low-Cost Planetary Missions, Laurel, Maryland, April 16-19, 1996.
  49. Tragesser, S.G. and Longuski, J.M., "The Effect of Parameter Uncertainties on the Aerobraking Tether," AIAA Paper No. 96-3597, AIAA/AAS Astrodynamics Conference, San Diego, California, July 29-31, 1996.
  50. Sims, J.A., Staugler, A.J., and Longuski, J.M., "Trajectory Options to Pluto via Gravity Assists from Venus, Mars, and Jupiter," AIAA Paper No. 96-3614, AIAA/AAS Astrodynamics Conference, San Diego, California, July 29-31, 1996.
  51. Tsiotras, P. and Longuski, J.M., "Comments on a New Parameterization of the Attitude Kinematics," AIAA Paper No. 96-3627, AIAA/AAS Astrodynamics Conference, San Diego, California, July 29-31, 1996.
  52. Kuchnicki, S.N., Tragesser, S.G., and Longuski, J.M., "Dynamics of a Tether Sling," AAS Paper No. 97-605, AAS/AIAA Astrodynamics Conference, Sun Valley, Idaho, August 4-7, 1997.
  53. Tragesser, S.G. and Longuski, J.M., "Modeling Issues Concerning Motion of the Saturnian Satellites," AAS Paper No. 97-670, AAS/AIAA Astrodynamics Conference, Sun Valley, Idaho, August 4-7, 1997.
  54. Beck, R.A. and Longuski, J.M., "Large Angle Solution for a Spinning Rigid Body Subject to Constant Transverse Torques," AAS Paper No. 97-680, AAS/AIAA Astrodynamics Conference, Sun Valley, Idaho, August 4-7, 1997.
  55. Petropoulos, A.E., Longuski, J.M., and Bonfiglio, E.P., "Trajectories to Jupiter via Gravity Assists from Venus, Earth, and Mars," AIAA Paper No. 98-4284, AIAA/AAS Astrodynamics Specialist Conference, Boston, Massachusetts, August 10-12, 1998.
  56. Beck, R.A., Williams, M.H., and Longuski, J.M., "Floquet Solution for a Spinning Symmetric Rigid Body with Constant Transverse Torques," AIAA Paper No. 98-4385, AIAA/AAS Astrodynamics Conference, Boston, Massachusetts, August 10-12, 1998.
  57. Petropoulos, A.E., Longuski, J.M., and Vinh, N.X., "Shaped-Based Analytic Representations of Low-Thrust Trajectories for Gravity-Assist Applications," AAS Paper No. 99 337, AAS/AIAA Astrodynamics Conference, Girdwood, Alaska, August 16-19, 1999.
  58. Bonfiglio, E.P., Longuski, J.M., and Vinh, N.X., "Automated Design of Aerogravity-Assist Trajectories," AAS Paper No. 99-361, AAS/AIAA Astrodynamics Conference, Girdwood, Alaska, August 16-19, 1999.
  59. Javorsek II, D. and Longuski, J.M., "Velocity Pointing Errors Associated with Spinning Thrusting Spacecraft," AAS Paper No. 99-452, AAS/AIAA Astrodynamics Conference, Girdwood, Alaska, August 16-19, 1999.
  60. Gick, R.A., Williams, M.H., and Longuski, J.M., "Periodic Solutions for a Spinning Asymmetric Rigid Body with Constant Principal Axis Torque," AAS Paper No. 99-453, AAS/AIAA Astrodynamics Conference, Girdwood, Alaska, August 16-19, 1999.
  61. McRonald, A.D., Randolph, J.E., Lewis, M.J., Bonfiglio, E.P., Longuski, J., and Kolodziej, P., "From LEO to the Planets Using Waveriders," AIAA Paper No. 1999-4803, AIAA International Space Planes and Hypersonic Systems and Technologies Conference, Norfolk, Virginia, November 1-5, 1999.
  62. Johnson, W.R. and Longuski, J.M., "Design of Aerogravity-Assist Trajectories," Paper No. AIAA 2000-4031, AIAA/AAS Astrodynamics Specialist Conference, August 14-17, 2000, Denver, CO.
  63. Vinh, N.X., Johnson, W.R., and Longuski, J.M., "Mars Aerocapture using Bank Modulation," Paper No. AIAA 2000-4424, AIAA/AAS Astrodynamics Specialist Conference, August 14-17, 2000, Denver, CO.
  64. Okutsu, M. and Longuski, J.M., "Mars Free Returns via Gravity Assist from Venus," Paper No. AIAA 2000-4139, AIAA/AAS Astrodynamics Specialist Conference, August 14-17, 2000, Denver, CO.
  65. Strange, N.J. and Longuski, J.M., "A Graphical Method for Gravity-Assist Trajectory Design," Paper No. AIAA 2000-4030, AIAA/AAS Astrodynamics Specialist Conference, August 14-17, 2000, Denver, CO.
  66. Heaton, A.F., Strange, N.J., Longuski, J.M., and Bonfiglio, E.P., "Automated Design of the Europa Orbiter Tour," Paper No. AIAA 2000-4034, AIAA/AAS Astrodynamics Specialist Conference, August 14-17, 2000, Denver, CO.
  67. Petropoulos, A.E. and Longuski, J.M., "Automated Design of Low-Thrust Gravity-Assist Trajectories," Paper No. AIAA 2000-4033, AIAA/AAS Astrodynamics Specialist Conference, August 14-17, 2000, Denver, CO.
  68. Johnson, W.R., Longuski, J.M., and Lyons, D.T., "Attitude Control During Auton-omous Aerobraking for Near-Term Mars Exploration," Paper AAS 01-388, AAS/ AIAA Astrodynamics Specialists Conference, Quebec City, Quebec, Canada, July 30 - August 2, 2001.
  69. Okutsu, M., Debban, T.J., and Longuski, J.M., "Tour Design Strategies for the Europa Orbiter Mission," Paper AAS 01-463, AAS/AIAA Astrodynamics Specialists Conference, Quebec City, Quebec, Canada, July 30 - August 2, 2001.
  70. Heaton, A.F. and Longuski, J.M., "The Feasibility of a Galileo-Style Tour of the Uranian Satellites," Paper AAS 01-464, AAS/AIAA Astrodynamics Specialists Conference, Quebec City, Quebec, Canada, July 30 - August 2, 2001.
  71. Petropoulos, A.E. and Longuski, J.M., "A Shaped-Based Algorithm for the Automated Design of Low-Thrust, Gravity-Assist Trajectories," Paper AAS 01-467, AAS/AIAA Astrodynamics Specialists Conference, Quebec City, Quebec, Canada, July 30 - August 2, 2001.
  72. McConaghy, T.T., Debban, T.J., Petropoulos, A.E., and Longuski, J.M., "An Approach to Design and Optimization of Low-Thrust Trajectories with Gravity-Assists," Paper AAS 01-468, AAS/AIAA Astrodynamics Specialists Conference, Quebec City, Quebec, Canada, July 30 - August 2, 2001.
  73. McConaghy, T.T., Longuski, J.M., and Byrnes, D.V., "Analysis of a Broad Class of Earth-Mars Cycler Trajectories," Paper AIAA 2002-4420, AIAA/AAS Astrodynamics Specialist Conference, Monterey, CA, August 5-8, 2002.
  74. Chen, K.J., McConaghy, T.T., Okutsu, M., and Longuski, J.M., "A Low-Thrust Version of the Aldrin Cycler," Paper AIAA 2002-4421, AIAA/AAS Astrodynamics Specialist Conference, Monterey, CA, August 5-8, 2002.
  75. Chen, K.J., Landau, D.F., McConaghy, T.T., Okutsu, M., Longuski, J.M., and Aldrin, B., "Preliminary Analysis and Design of Powered Earth-Mars Cycling Trajectories," Paper AIAA 2002-4422, AIAA/AAS Astrodynamics Specialist Conference, Monterey, CA, August 5-8, 2002.
  76. Byrnes, D.V., McConaghy, T.T., and Longuski, J. M., "Analysis of Various Two Synodic Period Earth-Mars Cycler Trajectories," Paper AIAA 2002-4423, AIAA/AAS Astrodynamics Specialist Conference, Monterey, CA, August 5-8, 2002.
  77. Jokic, M.D. and Longuski, J.M., "Design of a Tether Sling for Human Transportation Systems Between Earth and Mars," Paper AIAA 2002-4642, AIAA/AAS Astrodynamics Specialist Conference, Monterey, CA, August 5-8, 2002.
  78. Jokic, M.D., Daniel, W.J.T., and Longuski, J.M., "3D Modeling of an Elastic Tether Using a Dissipative Time-Stepping Algorithm," Paper AIAA 2002-4643, AIAA/AAS Astrodynamics Specialist Conference, Monterey, CA, August 5-8, 2002.
  79. Debban, T.J., McConaghy, T.T., and Longuski, J.M., "Design and Optimization of Low-Thrust Gravity-Assist Trajectories to Selected Planets," Paper AIAA 2002-4729, AIAA/AAS Astrodynamics Specialist Conference, Monterey, CA, August 5-8, 2002.
  80. Johnson, W.R., Longuski, J.M., and Lyons, D.T., "High-Fidelity Modeling of Semi-Autonomous Attitude Control During Aerobraking," Paper AIAA 2002-4909, AIAA/AAS Astrodynamics Specialist Conference, Monterey, CA, August 5-8, 2002.
  81. Park, R.S., Scheeres, D.J., Giampieri, G., Longuski, J.M., and Fischbach, E., "Estimating General Relativity Parameters from Radiometric Tracking of Heliocentric Trajectories," Paper AAS 03-205, AAS/AIAA Spaceflight Mechanics Meeting, Ponce, Puerto Rico, February 9-13, 2003.
  82. McConaghy, T.T., Yam, C.H., Landau, D.F., and Longuski, J.M., "Two-Synodic-Period Earth-Mars Cyclers with Intermediate Earth Encounter," Paper AAS 03-509, AAS/AIAA Astrodynamics Specialist Conference, Big Sky, MT, August 3-7, 2003.
  83. Chen, K.J., McConaghy, T.T., Landau, D.F., and Longuski, J.M., "A Powered Earth-Mars Cycler with Three Synodic-Period Repeat Time," Paper AAS 03-510, AAS/AIAA Astrodynamics Specialist Conference, Big Sky, MT, August 3-7, 2003.
  84. Landau, D.F. and Longuski, J.M., "Comparative Assessment of Human Missions to Mars," Paper AAS 03-513, AAS/AIAA Astrodynamics Specialist Conference, Big Sky, MT, August 3-7, 2003.
  85. Landau, D.F., Longuski, J.M., and Penzo, P.A., "Parking Orbits for Human Missions to Mars," Paper AAS 03-514, AAS/AIAA Astrodynamics Specialist Conference, Big Sky, MT, August 3-7, 2003.
  86. Javorsek, D., II, and Longuski, J.M., "Extension of Satellite Lifetime via Precision Pointing of Orbit Transfer Maneuvers," Paper AAS 03-515, AAS/AIAA Astrodynamics Specialist Conference, Big Sky, MT, August 3-7, 2003.
  87. Javorsek, D., II, and Longuski, J.M., "Effect of Thrust Profile on Velocity Pointing Errors of Spinning Spacecraft," Paper AAS 03-516, AAS/AIAA Astrodynamics Specialist Conference, Big Sky, MT, August 3-7, 2003.
  88. Jokic, M. and Longuski, J.M., "Artificial Gravity and Abort Scenarios via Tethers for Human Missions to Mars," Paper AAS 03-536, AAS/AIAA Astrodynamics Specialist Conference, Big Sky, MT, August 3-7, 2003.
  89. Park, R.S., Fischbach, E., Giampieri, G., Longuski, J.M., and Scheeres, D.J., "Test of General Relativity: Estimating PPN Parameters γ and β from Spacecraft Radiometric Tracking Data," Poster Presentation and Proceedings, SPACEPART '03, the Second International Conference on Particle and Fundamental Physics in Space, Washington, D.C., December 10-12, 2003.
  90. Landau, D.F. and Longuski, J.M., "A Reassessment of Trajectory Options for Human Missions to Mars," Paper AIAA 2004-5095, AAS/AIAA Astrodynamics Specialist Conference, Providence, RI, August 16-19, 2004.
  91. McConaghy, T.T. and Longuski, J.M., "Parameterization Effects on Convergence When Optimizing a Low-Thrust-Trajectory with Gravity Assists," Paper AIAA 2004-5403, AAS/AIAA Astrodynamics Specialist Conference, Providence, RI, August 16-19, 2004.
  92. Park, R.S., Scheeres, D.J., Giampieri, G., Longuski, J.M., and Fischbach, E., "Orbit Design for General Relativity Experiments: Heliocentric and Mercury-centric Cases," Paper AIAA 2004-5394, AAS/AIAA Astrodynamics Specialist Conference, Providence, RI, August 16-19, 2004.
  93. Yam, C.H., McConaghy, T.T., Chen, K.J., and Longuski, J.M., "Preliminary Design of Nuclear Electric Propulsion Missions to the Outer Planets," AAS/AIAA Astrodynamics Specialist Conference, Providence, RI, August 16-19, 2004.
  94. Yam, C.H., McConaghy, T.T., Chen, K.J., and Longuski, J.M., "Design of Low-Thrust Gravity-Assist Trajectories to the Outer Planets," Paper IAC-04-A.6.02, 55th International Astronautical Congress, Vancouver, Canada, October 4-8, 2004.
  95. Medlock, K.L. Gates, Longuski, J.M., and Lyons, D.T., "A Dual-Use Ballute for Entry and Descent During Planetary Missions," 3rd International Planetary Probe Workshop, Anavyssos, Attica, Greece, June 27-July 1, 2005,
  96. Ayoubi, M.A., Longuski, J.M., "Transverse Velocity Solution for a Spinning-Up Rigid Body Subject to Constant Body-Fixed Moments and Forces," AAS Paper 05-261, AAS/AIAA Astrodynamics Specialists Conference, Lake Tahoe, CA, August 7-11, 2005.
  97. Landau, D.F. and Longuski, J.M., "Mars Exploration via Earth-Mars Semi-Cyclers," AAS Paper 05-269, AAS/AIAA Astrodynamics Specialists Conference, Lake Tahoe, CA, August 7-11, 2005.
  98. Yam, C.H and Longuski, J.M.., "Optimization of Low-Thrust Gravity Assist Trajectories with a Reduced Parameterization of the Thrust Vector," AAS Paper 05-375, AAS/AIAA Astrodynamics Specialists Conference, Lake Tahoe, CA, August 7-11, 2005.
  99. Okutsu, M., Landau, D.F., and Longuski, J.M., "Low-Thrust Roundtrip Trajectories to Mars with One-Synodic-Period Repeat Time," AAS Paper 05-395, AAS/AIAA Astrodynamics Specialists Conference, Lake Tahoe, CA, August 7-11, 2005.
  100. Medlock, K.L. Gates and Longuski, J.M., "An Approach to Sizing a Dual-Use Ballute System for Aerocapture, Descent and Landing," 4th International Planetary Probe Workshop, Pasadena, CA, June 27-30, 2006.
  101. Landau, D.F. and Longuski, J.M., "Continuous Mars Habitation with a Limited Number of Cycler Vehicles," Paper No. AIAA 2006-6020, AIAA/AAS Astrodynamics Specialist Conference, Keystone, CO, August 21-24, 2006.
  102. Chen, K., Okutsu, M., Landau, D., and Longuski, J.M., "Low-Thrust Aldrin Cycler with Reduced Encounter Velocities," Paper No. AIAA 2006-6021, AIAA/AAS Astrodynamics Specialist Conference, Keystone, CO, August 21-24, 2006.
  103. Medlock, K.L. Gates, Ayoubi, M.A., Longuski, J.M., and Lyons, D.T., "Analytic Solutions for Aerocapture, Descent, and Landing Trajectories for Dual-Use Ballute Systems," Paper No. AIAA 2006-6026, AIAA/AAS Astrodynamics Specialist Conference, Keystone, CO, August 21-24, 2006.
  104. Landau, D.F. and Longuski, J.M., "Guidance Strategy for Hyperbolic Rendezvous," Paper No. AIAA 2006-6299, AIAA/AAS Astrodynamics Specialist Conference, Keystone, CO, August 21-24, 2006.
  105. Ayoubi, M.A. and Longuski, J.M., "Axial Velocity Solution for a Spinning-Up Rigid Body Subject to Constant Body-Fixed Forces and Moments," Paper No. AIAA 2006-6655, AIAA/AAS Astrodynamics Specialist Conference, Keystone, CO, August 21-24, 2006.
  106. Yam, C.H. and Longuski, J.M., "Reduced Parameterization for Optimization of Low-Thrust Gravity-Assist Trajectories: Case Studies," Paper No. AIAA 2006-6744, AIAA/AAS Astrodynamics Specialist Conference, Keystone, CO, August 21-24, 2006.
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