PFS Scientific Results and Statistics for the First 100 Orbits of the Mars Express Mission.

Details PFS Scientific Results and Statistics for the First 100 Orbits of the Mars Express Mission. PFS Scientific Results and Statistics for the First 100 Orbits of the Mars Express Mission.

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003eaeja.....1937m&link_type=abstract

EGS - AGU - EUG Joint Assembly, Abstracts from the meeting held in Nice, France, 6 - 11 April 2003, abstract #1937

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Scientific paper

The initial orbits of the future Mars Express Mission have already been planned. Orbits between 1 and 16 are in the phase after the Mars Orbit Insertion used to stabilize and commissioning the spacecraft prior to reach the so called "superfrozen groundtrack". Routine science operations will begin starting from orbit 17. Some of these orbits are not Nadir pointing but 3 axis stabilized with the High Gain Antenna for telecommunications in "Earth Pointing Phase" in the period around the pericentre. During this period, the pointing direction of PFS is continuously changing respect to nadir and our procedures calculate when the track is on the planet's surface and when we are looking at the limb. For all the other orbits, a nadir configuration around pericentre is maintained. In this paper we show the results of some simulations we made to know in the most realistic way what kind of measurements we will have for PFS after the first month (one month is about 100 orbits) of the Mars Express mission. For this purpose we used the final orbital files for the mission and the schedule agreed during the Science Working Team meeting of the ESA Mars Express mission.

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