home *** CD-ROM | disk | FTP | other *** search
- Newsgroups: sci.space.news
- Path: sparky!uunet!think.com!ames!dont-send-mail-to-path-lines
- From: baalke@kelvin.jpl.nasa.gov (Ron Baalke)
- Subject: Mars Observer Update - 12/21/92
- Message-ID: <1992Dec28.071228.14642@news.arc.nasa.gov>
- Followup-To: sci.space
- News-Software: VAX/VMS VNEWS 1.3-4
- Sender: news@elroy.jpl.nasa.gov (Usenet)
- Nntp-Posting-Host: kelvin.jpl.nasa.gov
- Reply-To: baalke@kelvin.jpl.nasa.gov
- Organization: Jet Propulsion Laboratory
- Date: Mon, 28 Dec 1992 15:10:59 GMT
- Approved: sci-space-news@ames.arc.nasa.gov
- Lines: 34
-
- Forwarded from the Mars Observer Project
-
- MARS OBSERVER STATUS REPORT
- December 21, 1992
-
- The spacecraft continues to clock out the C5 sequence. The low gain
- antennas are still being used for uplink and downlink communications.
- The digital tape recorders are being repacked today in sequential order
- to remove any flight vibration affects and to accomplish regular
- manufacturer's recommendations for tape maintenance.
-
- The spacecraft again entered Sun Comm Power mode over the weekend.
- It is believed now that an algorithm in the star processing software is
- exhibiting convergence prematurely due to sightings of multiple stars.
- The Spacecraft team is in the process of recovering to the Array Normal
- Spin mode of operation, during which time the star processing algorithm
- will be adjusted to allow the spacecraft to remain in Array Normal Spin
- with more tolerance to sighting of multiple stars. All spacecraft and
- payload temperatures are stable while in this temporary attitude of
- off-sun pointing. Command files are being generated to return the
- spacecraft to normal operations Tuesday morning. The spacecraft
- remains in a stable and safe configuration in the Sun Star Init mode
- while the flight team prepares the required commands for transitioning to
- ANS.
-
- The spacecraft engineering and science payload elements are functioning
- properly and within expected performance ranges.
- ___ _____ ___
- /_ /| /____/ \ /_ /| Ron Baalke | baalke@kelvin.jpl.nasa.gov
- | | | | __ \ /| | | | Jet Propulsion Lab |
- ___| | | | |__) |/ | | |__ M/S 525-3684 Telos | Choose a job you love, and
- /___| | | | ___/ | |/__ /| Pasadena, CA 91109 | you'll never have to work
- |_____|/ |_|/ |_____|/ | a day in your life.
-
-