Voyager Status, What is it? |
Voyager Status, What is it? |
Dec 6 2006, 05:48 AM
Post
#1
|
|
Member Group: Members Posts: 428 Joined: 21-August 06 From: Northern Virginia Member No.: 1062 |
Anyone know the latest Voyager status? I've hear rumors, but I'm wondering if anyone has anything more concrete (I won't share the rumors, as I really don't know much about it, so...)
|
|
|
Jan 1 2007, 07:19 PM
Post
#2
|
|
Member Group: Members Posts: 234 Joined: 8-May 05 Member No.: 381 |
Anyone know the latest Voyager status? I've hear rumors, but I'm wondering if anyone has anything more concrete (I won't share the rumors, as I really don't know much about it, so...) Tuvas, this is probably what you're referring to, and it's not a rumor. There hasn't any press on this to my knowledge, but the JPL JURAP site describes a problem with Voyager 2 in its November meeting minutes. There is a problem with a part of the AACS (attitude and articulation control system) called HYBIC, which has something to do with an analog-to-digital converter not working properly some of the time. This apparently has affected the sun sensor and star tracker on the spacecraft. The part that grabbed my attention was where it said "Impact: Possible loss of spacecraft". This is not a trivial problem, but the minutes described a swap procedure to a backup HYBIC. The process runs from November, 2006, through February, 2007, but it should result in a healthy spacecraft again. I'm sure the Voyager folks didn't want to make this too public until they know more of how well the swap is succeeding (although JURAP is a publicly-accessible website). The whole Voyager presentation runs 13 pages, and I'm sure many of you will understand the technical details better than I. It's a complicated web address, so I'll break it down a bit: (1) go to: rapweb.jpl.nasa.gov (2) in the right-hand column, click on "Joint Users Allocation and Planning Committee (JURAP) Minutes (3) click on "Voyager 2 November 2006" (probably in Acrobat format) This reminds us that the Voyager spacecraft are slowly degrading and unfortunately won't last forever (though it sometimes seemed that they would). |
|
|
Feb 11 2007, 08:48 PM
Post
#3
|
|
Senior Member Group: Members Posts: 1729 Joined: 3-August 06 From: 43° 35' 53" N 1° 26' 35" E Member No.: 1004 |
This is not a trivial problem, but the minutes described a swap procedure to a backup HYBIC. The process runs from November, 2006, through February, 2007, but it should result in a healthy spacecraft again. I'm sure the Voyager folks didn't want to make this too public until they know more of how well the swap is succeeding (although JURAP is a publicly-accessible website). Any update on this? |
|
|
Lo-Fi Version | Time is now: 27th September 2024 - 10:35 AM |
RULES AND GUIDELINES Please read the Forum Rules and Guidelines before posting. IMAGE COPYRIGHT |
OPINIONS AND MODERATION Opinions expressed on UnmannedSpaceflight.com are those of the individual posters and do not necessarily reflect the opinions of UnmannedSpaceflight.com or The Planetary Society. The all-volunteer UnmannedSpaceflight.com moderation team is wholly independent of The Planetary Society. The Planetary Society has no influence over decisions made by the UnmannedSpaceflight.com moderators. |
SUPPORT THE FORUM Unmannedspaceflight.com is funded by the Planetary Society. Please consider supporting our work and many other projects by donating to the Society or becoming a member. |