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Continuing Kepler's Quest Assessing Air Force Space Command's Astrodynamics Standards (2012) / Chapter Skim
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Appendix B: Acronyms and Glossary
Pages 69-72

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From page 69...
... B Acronyms and Glossary AFSPC Air Force Space Command AIAA American Institute of Aeronautics and Astronautics AOF Area Overflight -- computes when overhead satellites can see a particular location on Earth; uses both SGP4 and SP for generation of ephemerides ASW astrodynamics support workstation BATCHDC Batch Differential Correction -- performs a least-squares batch differential correction of orbital elements using tracking data and both the SGP4 and the SP propagator C2 Command and Control CA conjunction assessment CAVENet Command, Analysis, Verification and Ephemeris Network CDD Capability Development Document CMAFS Cheyenne Mountain Air Force Station COMBO Computation of Miss Between Orbits -- computes close approaches between satellites using both SGP4 and SP for generation of ephemerides CRD Capstone Requirements Document CSM conjunction summary message CTIPe Coupled Thermosphere Ionosphere Plasmasphere Electrodynamics model DMSP Defense Meteorological Satellite Program DTM-2000 Drag Temperature Model, released in 2000; empirical model of thermospheric temperature, composition, and density EKF extended Kalman filter ephemeris a tabulation of computed positions and velocities (and/or various derived quantities such as right ascension and declination) of an orbiting body at specific times ESA European Space Agency 69
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From page 70...
... for Earth-centered satellites; uses both SGP4 and SP for generation of ephemerides MDA Missile Defense Agency MHT multiple hypothesis tracking MIT Massachusetts Institute of Technology MSIS Mass Spectrometer Incoherent Scatter radar -- series of models describing atmospheric temperature, composition, and density NASA National Aeronautics and Space Administration NOAA National Oceanic and Atmospheric Administration NORAD North American Aerospace Defense Command NRLMSISE-00 Naval Research Laboratory Mass Spectrometer Incoherent Scatter radar Extended -- empirical model of atmospheric temperature, composition, and density, released in 2000 NRO National Reconnaissance Office OCM orbital conjunction message ROTAS Report/Observation Association -- associates observations against satellite element sets RSO resident space object
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From page 71...
... 71 APPENDIX B SEQDC Sequential Differential Correction -- performs a series of least-squares differential corrections that are computed in a sequential mode, which uses one or more observations or tracks while retrieving former covariance information from a prior differential correction; uses both SGP4 and SP for generation of ephemerides SGP4 Simplified General Perturbations 4 -- an analytic method of generating ephemerides for satellites in Earth-centered orbits SMC Space and Missile Systems Center SOA service-oriented architecture SP Special Perturbations -- an algorithm that uses numerical integration to generate ephemerides for satellites in Earth-centered orbits SPADOC Space Defense Operations Center SPK a type of file that contains ephemeris (trajectory) data SRP solar radiation pressure SSA space situational awareness SSN Space Surveillance Network TIE-GCM Thermosphere Ionosphere Electrodynamics General Circulation Model TIME-GCM Thermosphere Ionosphere Mesosphere Electrodynamics General Circulation Model TLE two-line element UCT uncorrrelated track UKF unscented Kalman filter USAF United States Air Force WACCM-X Whole Atmosphere Community Climate Model, extended to the exobase WAM Whole Atmosphere Model WGS-72 World Geodetic Survey 1972 Earth gravity model WGS-84 World Geodetic Survey 1984 Earth gravity model
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Key Terms

  • empirical model
  • incoherent scatter
  • mass spectrometer
  • spectrometer incoherent
  • administration norad

  • administration noaa
  • describing atmospheric
  • element sets
  • laboratory mass
  • space defense

  • sets rso
  • models describing
  • agency mht
  • missile defense
  • technology msis

  • defense command
  • multiple hypothesis
  • resident space
  • tracking mit
  • hypothesis tracking

  • scatter radar
  • satellite element
  • american aerospace
  • aerospace defense
  • defense agency

  • atmospheric temperature
  • orbital conjunction
  • conjunction message
  • ephemerides mda
  • density nasa


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