Mars Global Surveyor Status Report 25 Sep 2002
- Launch / Days since Launch = Nov. 7, 1996 / 2149 days
- Start of Mapping / Days since Start of Mapping = April 1, 1999 / 1274 days
- Total Mapping Orbits = 15,864
- Total Orbits = 17,547
Recent Events:
Background Sequences – The spacecraft is operating nominally in performing the beta-supplement daily recording and transmission of science data. The mm211 sequence executed successfully from 02-262 (9/19/02) through 02-264 (9/21/02). The mm212 sequence has performed well since it started on 02-265 (9/22/02). It terminates on 02-268 (9/25/02). The mm213 sequence, successfully uplinked on 02-267 (9/24/02), begins executing near the end of day on 02-268 (9/25/02).
Other – Seven Roll Only Targeted Observations (ROTOs) were performed successfully by the mz201, mz202, & mz203 minisequences. MGS has completed 213 ROTOs to date.
Spacecraft Health:
Spacecraft subsystems report good health and status.
Uplinks:
There have been 16 uplinks to the spacecraft during the past week, including new star catalog and ephemeris files, instrument command loads, the mz203 & mz204 ROTO mini-sequences, and the mm212 & mm213 background sequences. 7,056 command files have been radiated to the spacecraft since launch.
Upcoming Events:
ROTOs are planned for next week in the mz204 & mz205 mini-sequences. Radio Science Occultation Egress Scans, also contained in mz205, will be performed on 02-273 (9/30/02) and 02-274 (10/01/02). The DDOR experiment scheduled for 02-276 (10/03/03) has been cancelled due to scheduling constraints.