Mars Global Surveyor Status Report 16 Oct 2002

Status Report From: Jet Propulsion Laboratory
Posted: Wednesday, October 16, 2002

  • Launch / Days since Launch = Nov. 7, 1996 / 2177 days
  • Start of Mapping / Days since Start of Mapping = April 1, 1999 / 1302 days
  • Total Mapping Orbits = 16,206
  • Total Orbits = 17,889

Recent Events:

Background Sequences - The spacecraft is operating nominally in performing the beta-supplement daily recording and transmission of science data. The mm219 sequence executed successfully from 02-290 (10/17/02) through 02-292 (10/19/02). The mm220 sequence has performed well since it started on 02-293 (10/20/02). It terminates on 02-296 (10/23/02). The mm221 sequence, successfully uplinked on 02-295 (10/22/02), begins executing near the end of day on 02-296 10/23/02).

Other - Eight Roll Only Targeted Observations (ROTOs) were performed successfully by the mz210 & mz211 minisequences. MGS has completed 354 ROTOs to date.

Spacecraft Health:

Spacecraft subsystems report good health and status.


There have been 17 uplinks to the spacecraft during the past week, including new star catalog and ephemeris files, instrument command loads, the mz211 & mz212 ROTO mini-sequences, and the mm220 & mm221 background sequences. 7,127 command files have been radiated to the spacecraft since launch.

Upcoming Events:

ROTOs are planned for next week in the mz211, mz212, & mz213 mini-sequences. Radio Science Occultation Egress Scans are scheduled for 02-302 (10/29/02) and 02-303 (10/30/02). The DDOR experiment slipped one day to optimize DSN coverage. It is now scheduled for 02-305 (11/01/02).

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