• Professor, Aerospace Engineering
  • Jack E. and Frances Brown Chair II
  • University Distinguished Professor
  • Member, National Academy of Engineering
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Terry Alfriend profile photo

Educational Background

  • Ph.D., Engineering Mechanics, Virginia Tech -1967
  • M.S., Engineering Mechanics, Stanford University - 1964
  • B.S., Engineering Mechanics, Virginia Tech - 1962

Research Interests

    • Astrodynamics
    • Satellite Altitude Dynamics and Control
    • Space Debris
    • Space Surveillance
    • Space Systems Engineering

Awards & Honors

  • Honorary Fellow, American Institute of Aeronautics and Astronautics - 2015
  • International Scientific Cooperation Award, American Association for the Advancement of Science - 2005
  • Institute of Technology Board of Visitors, United States Air Force - 2005
  • Air University Board of Visitors, United States Air Force - 2004
  • Space Flight Mechanics Conference Best Paper Award, American Astronautical Society/American Institute of Aeronautics and Astronautics - 2004
  • Space Flight Mechanics TC Chair, American Astronautical Society , 2004-2005
  • Charter member, Texas Academy of Science, Engineering and Medicine - 2003
  • Keynote Speaker, Nonlinear Problems in Aviation and Aerospace - 2002
  • Space Flight Mechanics Conference Best Paper Award, American Astronautical Society/American Institute of Aeronautics and Astronautics - 2001
  • Wisenbaker II Chair Professor of Aerospace Engineering - 2000
  • Keynote Lecture US-European Workshop on Celestial Mechanics, Posnan, Poland - 2000
  • Keynote Speaker, 1st International Conference on Astronautics and Aeronautics, Harbin, China - 2000
  • National Academy of Engineering - 1999
  • Mechanics and Control of Flight Award, American Institute of Aeronautics and Astronautics - 1998
  • Elected member of the International Academy of Astronautics - 1998
  • Keynote Speaker, Nonlinear Problems in Aviation and Aerospace Conference - 1998
  • Associate Editor, International Journal of Celestial Mechanics and Dynamical Astronomy - 1998
  • Member, National Academy of Science - National Research Council Panel for Space Shuttle Operations With Respect to Space Debris - 1997
  • Editor-in-Chief, American Institute of Aeronautics and Astronautics Journal of Guidance, Control and Dynamics, 1991-1995
  • Chair, American Institute of Aeronautics and Astronautics Astrodynamics Technical Committee, 1990-1992
  • Dirk Brouwer Award, American Astronautical Society - 1989
  • Fellow, American Institute of Aeronautics and Astronautics, 1988
  • Fellow, American Astronautical Society - 1985
  • Editor-in-Chief, American Astronautical Society Journal of the Astronautical Sciences, 1985-1988
  • Associate Fellow, American Institute of Aeronautics and Astronautics, 1984
  • Associate Editor, American Astronautical Society Journal of the Astronautical Sciences, 1983-1985
  • Meritorious Civilian Service Award, Navy - 1981
  • Editorial Board, International Journal of Celestial Mechanics, 1981-1986
  • Associate Editor, American Institute of Aeronautics and Astronautics Journal of Guidance, Control and Dynamics, 1980-1982
  • Best Paper Award, U.S. Naval Research Laboratory - 1978
  • Senior Postdoctoral Resident Research Associateship, National Academy of Science/National Research Council - 1973
  • Summer Faculty Fellowship, National Aeronautics and Space Administration/American Society for Engineering Education - 1970

Selected Publications

  • Alfriend, K.T., Sabol, C. and Tombasco, J., “Orbit Determination and Prediction for Low Earth Orbit Satellites Using A Single Pass Of Observation Data,” Paper No. AAS 07-121, 2007 AAS/AIAA Space Flight Mechanics Conference, Sedona, AZ, 28 Jan. - 1 Feb. 2007.
  • Yan, H., Ross, I.M. and Alfriend, K.T., “Pseudospectral Feedback Control for Three-Axis Magnetic Stabilization in Eccentric Orbits,” to appear in AIAA J. of Guidance, Control and Dynamics. 2007
  • Cefola, P.J. and Alfriend, Kyle T., “Sixth US/Russian Space Surveillance Workshop,” AIAA 2006-6673, AIAA/AAS Astrodynamics Conference, Keystone, CO, Aug. 2006
  • Breger, L., How, J. and Alfriend, K.T., “Partial J2 Invariance for Spacecraft Formations,” Paper No. AIAA 2006-6585, AIAA/AAS Astrodynamics Conference, Keystone, CO, Aug. 2006
  • Yurasov, V.S., Nazarenko, A.I., Cefola, P. J., and Alfriend, K. T., “Direct Density Correction Method: Review of Results,” 57th IAF Congress, Valencia, Spain, Oct. 2006
  • Alfriend, K.T., Lee, D-J. and Creamer, N.G.”Optimal Servicing of Geosynchronous Satellites” to AIAA J. of Guidance, Control and Dynamics, Vol. 29, No. 1, Jan-Feb. 2006, pp. 203-206. 2006
  • Yan, H. and Alfriend, K.T., “Numerical Searches of J2 Invariant Orbits,” Paper No. AAS 06-164, 2006 AAS/AIAA Space Flight Mechanics Conference, Tampa, FL, 22-25 January 2006.
  • Gim, D-W and Alfriend, K.T., “Satellite Relative Motion Using Differential Equinoctial Elements,” Int. J. of Celestial Mechanics and Dynamical Astronomy, Vol. 92, No. 4,2005, pp. 295-336.2005
  • Alfriend, K.T. and Yan, H., “An Evaluation and Comparison of Relative Motion Theories,” AIAA J. of Guidance, Control and Dynamics, Vol. 26, No. 2, March-April-2005, pp. 254-263.2005
  • Yurasov, V., Nazarenko, A., Cefola, P. and Alfriend, K.T., “Density Corrections For the NRLMSIS-00 Atmosphere Model,” AAS 05-168, 2005 AAS/AIAA Space Flight Mechanics Conference, Copper Mountain, CO, Jan. 2005.
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