AGI Technology Beyond Earth Orbit

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Access and Light Time Delay• Signal Sense– Transmit (default) or Receive• Clock Host– Transmit Times or Receive Times– These are the times reported by the tool• Coverage– Normally, grid point is clock host, receiving signal• Aberration– None, Total, Annual• LTD document (pdf) available from HelpAGIPg 34 of 40www.agi.com
LTD Issues• Graphics display True positions, not LTD–Except for location of Sun• Sensors projections do not account for LTD• Example: Sensor on Mars, pointed at Earth–Must choose pointing sense: Transmit or Receive–At a time of Sensor access, both Mars and Earth aredrawn at the same time, not the delayed time–Display near Earth won’t agree with computationsAGIPg 35 of 40www.agi.com
Page 1 and 2: AGIAGI TechnologyBeyond Earth Orbit
Page 3 and 4: Introduction (Woodburn)• Welcome
Page 5 and 6: Current/Historical Missions (Hall)
Page 7 and 8: Recent enhancements to Astrogator(B
Page 9 and 10: Orbit determination (Woodburn)• C
Page 11 and 12: Sequential range• Ambiguous two w
Page 13 and 14: Trk-34 tracking data format• Very
Page 15 and 16: Lunar gravity process noise model
Page 17 and 18: LP Position UncertaintyPosition Unc
Page 19 and 20: Central Bodies (Coppola)• Celesti
Page 21 and 22: Central Bodies (cont’d)• CB use
Page 23 and 24: CB Mu Values• Orbital element con
Page 25 and 26: Default CB Ephemeris Settings• Su
Page 27 and 28: Modifying CB ephemeris• Ephemeris
Page 29 and 30: Default Moon Attitude• Interpolat
Page 31 and 32: Attitude Reference• "Report of th
Page 33: Eclipse and Obstruction (LOS)• ST
Page 37 and 38: Interplanetary Propagation (Berry)
Page 39 and 40: Future direction (Woodburn)• HPOP

AGI Technology Beyond Earth Orbit

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