The use of laser altimetry in the orbit and attitude determination of Mars Global Surveyor

Details The use of laser altimetry in the orbit and attitude determination of Mars Global Surveyor The use of laser altimetry in the orbit and attitude determination of Mars Global Surveyor

May 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999georl..26.1191r&link_type=abstract

Geophysical Research Letters, Volume 26, Issue 9, p. 1191-1194

Physics

21

Geodesy And Gravity: Satellite Orbits, Geodesy And Gravity: Instruments And Techniques, Planetology: Solid Surface Planets: Instruments And Techniques

Scientific paper

Altimetry from the Mars Observer Laser Altimeter (MOLA), an instrument on board the Mars Global Surveyor (MGS) spacecraft, has been analyzed for the period of the MGS Science Phasing Orbit-1 (SPO-1) mission phase. Altimeter ranges have been used to improve significantly the orbit and attitude knowledge of the spacecraft by the use of crossover constraint equations derived from short passes of the MOLA data. These constraint equations differ from traditional crossover constraints and exploit the small footprint associated with laser altimetry. The rationale for using this technique with laser altimetry over sloping terrain is laid out and evidence of the resulting benefit is presented.

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