AGI Technology Beyond Earth Orbit

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Gravity FieldsBodyEarthMoonMarsMercuryVenusJupiterSaturnNeptuneOthersModels984111111NotesSolid/Ocean tides using IERS 2003Simple tide model (Earth, Sun)From published papersFrom published paperFrom published paperFrom published paperFrom published paperFrom published paperSimple zonal (J2, J3, J4)AGIPg 24 of 40www.agi.com
Default CB Ephemeris Settings• Sun, Moon, Earth, Mercury, Venus, Mars–JPL DE 405 file (405, 403, 200 supported)–Ignores TDT-TDB differences (2 millisec max)–Treats ICRF as J2000• Jupiter, Saturn, Uranus, Neptune, Pluto–JPL DE 405 file, ignores TDT-TDB, ICRF = J2000– Barycentric ephemeris–Mu is planetary value–System Mu is system value (used for 3 rd body perts)• Span: 1960 - 2060AGIPg 25 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: CB Mu Values• Orbital element con
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 and 34: Eclipse and Obstruction (LOS)• ST
Page 35 and 36: LTD Issues• Graphics display True
Page 37 and 38: Interplanetary Propagation (Berry)
Page 39 and 40: Future direction (Woodburn)• HPOP

AGI Technology Beyond Earth Orbit

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