|Launch Date||Aug. 12, 2005|
|Launch Site||Cape Canaveral, Florida, USA|
|Status||Successful—Extended Mission in Progress|
|Alternate Names||2005-029A, MRO|
Now in its fourth mission extension after a two-year prime mission, the orbiter and its suite of powerful instruments are investigating seasonal and longer-term changes on the surface of Mars.
Revealed that Mars is a world more dynamic and diverse than was previously realized.
Gathered data on warm-season flows that are the strongest evidence so far for liquid water on Mars today.
Increased more than tenfold the number of places surveyed close-up.
Returns more data about Mars every week than the weekly total from all six other active Mars missions.
Found evidence of diverse watery environments on early Mars.
Provided reconnaissance on potential landing sites for other Mars missions.
Aug. 12, 2005: Launch
Mar. 10, 2006: Mars Orbit Insertion
Launch Vehicle: Atlas V-401 (two-stage Atlas booster with Centaur upper stage)
Spacecraft Mass: 2,180 kg (4,806 pounds) total at launch, consisting of 139 kg (306 pounds) science payload, 892 kg (1,967 pounds) other dry weight, plus 1,149 kg (2,533 pounds) of propellant and pressurant
Hyperspectral imaging spectrometer
Shallow subsurface radar
Spacecraft Dimensions: Height 6.5 m (21 feet) with a 3-m-diameter (10-foot) dish antenna; width 13.6 m (45 feet) with a pair of 5.35- by 2.53-m (17.56- by 8.30-foot) solar panels
Spacecraft Power: Solar panels and nickel-hydrogen batteries