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This article is within the scope of WikiProject Solar System, a collaborative effort to improve the coverage of the Solar System on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.
Does anyone know what has become of the physical spacecraft, has it de-orbited, will it de-orbit if so when? anyone have a clue? —Preceding unsigned comment added by 22.214.171.124 (talk) 21:34, 6 December 2009 (UTC)
Main article suggests it is still in near polar orbit. If the infobox "Periapsis = 171.4 km (107 mi)" is true it is well above aerobreaking heights and the orbit should last for many years. Rod57 (talk) 12:17, 15 December 2010 (UTC)
Yes, but this should be made clear in the article IMO if there's sources (why does the lede say "was"?). This German article implies that it's still in orbit but only an "approximate position" is known. --Roentgenium111 (talk) 14:35, 24 June 2015 (UTC)
The periapsis infobox value may well be as outdated as the apoapsis is, the last values given in the text are 120 km and 450 km, respectively...--Roentgenium111 (talk) 14:43, 24 June 2015 (UTC)
Article says it was last heard of in 'safe mode' in 2006. Anyone know what it will do when the battery fails ? When is the battery likely to fail ?
Can it maintain attitude (to keep at least one solar panel facing the sun?)? When might the attitude control fail (propellants exhausted ?) ? How much propellant remained when contact was lost ? Rod57 (talk) 12:17, 15 December 2010 (UTC)
Infobox says "Apoapsis 17,836 km (11,083 mi)" which seems out of date. Should that be the figure when science operations started, or the last known ? Rod57 (talk) 12:23, 15 December 2010 (UTC)
The orbital data were added by an IP in 2007 without giving a source  and never updated. I suppose they should be removed as completely unreliable... --Roentgenium111 (talk) 14:50, 24 June 2015 (UTC)
"It began the United States's return to Mars after a 10-year absence." Is this right? I think the gap was longer than that, with the previous successful mission being Viking 1 which was terminated on November 11, 1982. — Preceding unsigned comment added by 126.96.36.199 (talk) 11:04, 23 November 2011 (UTC)