Mars Global Surveyor Status Report 30 Oct 2002

Status Report From: Jet Propulsion Laboratory
Posted: Wednesday, October 30, 2002

  • Launch / Days since Launch = Nov. 7, 1996 / 2184 days
  • Start of Mapping / Days since Start of Mapping = April 1, 1999 / 1309 days
  • Total Mapping Orbits = 16,292
  • Total Orbits = 17,975

Recent Events:

Background Sequences - The spacecraft is operating nominally in performing the beta-supplement daily recording and transmission of science data. The mm221 sequence executed successfully from 02-297 (10/24/02) through 02-299 (10/26/02). The mm222 sequence has performed well since it started on 02-300 (10/27/02). It terminates on 02-303 (10/30/02). The mm223 sequence, successfully uplinked on 02-302 (10/29/02), begins executing near the end of day on 02-303 (10/30/02).

Other - Eleven Radio Science Occultation Egress Scans were performed on 02-302 (10/29/02) and 02-303 (10/30/02). Results are pending.

Twelve Roll Only Targeted Observations (ROTOs) were performed successfully by the mz211, mz212 & mz213 mini-sequences. MGS has completed 366 ROTOs to date.

Spacecraft Health:

Spacecraft subsystems report good health and performance.


There have been 16 uplinks to the spacecraft during the past week, including new star catalog and ephemeris files, instrument command loads, the mz213 ROTO mini-sequence, and the mm222 & mm223 background sequences. 7,143 command files have been radiated to the spacecraft since launch.

Upcoming Events:

ROTOs are planned for next week in the mz213, mz214, & mz215 mini-sequences. A DDOR experiment will be conducted on 02-305 (11/01/02).

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