AGI Technology Beyond Earth Orbit

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Central Bodies (cont’d)• STK Objects (Satellite, Facility, etc.) areassociated with just 1 central body• Set the central body during creation–We don’t allow modification afterward yet–We do ship an HTML utility that can do this<strong>AGI</strong>Pg 20 of 40www.agi.com
Central Bodies (cont’d)• CB used as an indicator–Some default parameter values–Pass Definition–VGT (Position Vector, Velocity Vector, etc.)–2D Graphics (STK 8.1 – now can choose CB’s)–Vehicle Attitude–Frames available for reporting–Shape for Line Of Sight obstruction in Access–Inertial/Fixed frame used for vehicle ephemeris storage–Certain graphics settings<strong>AGI</strong>Pg 21 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: Central Bodies (Coppola)• Celesti
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 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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