Utilization of Mars Global Surveyor accelerometer data for atmospheric modeling

被引:0
|
作者
Tolson, RH [1 ]
Keating, GM [1 ]
Noll, SN [1 ]
Baird, DT [1 ]
Shellenberg, TJ [1 ]
机构
[1] George Washington Univ, Sch Engn & Appl Sci, JIAFS, NASA,Langley Res Ctr, Hampton, VA 23681 USA
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中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
To provide safe aerobraking for the Mars Global Surveyor mission, accelerometer data were utilized for near real time determination of atmospheric density and scale height. These measurements, when properly calibrated, will provide the initial data base for improvement of Mars thermospheric models. Calibration methods including adjustments for thruster firings and multi-body dynamics are presented. Some unanticipated results are shown of possible atmospheric "shocks" and standing planetary waves.
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页码:1329 / 1346
页数:18
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