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Opportunity (rover)

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Opportunity, also known as MER-B (Mars Exploration Rover – B) or MER-1, is a robotic rover active on Mars since 2004. Launched on July 7, 2003 as part of NASA's Mars Exploration Rover program, it landed in Meridiani Planum on January 25, 2004, three weeks after its twin Spirit (MER-A) touched down on the other side of the planet. With a planned 90 sol duration of activity, Spirit functioned until getting stuck in 2009 and ceased communications in 2010, while Opportunity remains active as of 2016, having already exceeded its operating plan by (in Earth time). Opportunity has continued to move, gather scientific observations, and report back to Earth for over 48 times its designed lifespan.

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2003

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Date

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em

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Sojourner

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Sol 4201 Sol 3494 Sol 3982 Sol 3452 Sol 3390 Sol 3894 Sol 3744 Sol 3472 Sol 4221 Sol 3921 Sol 3621 Sol 4153 Sol 3676 Sol 4180 Sol 3602 Sol 3376 Sol 4084 Sol 3430 Sol 3384 Sol 3859 Sol 3834 Sol 3606 Sol 4119 Sol 3507 Sol 4010 Sol 3534 Sol 4055 Sol 3771 Sol 3478 Sol 4377 Sol 3948 Sol 3805 Sol 3710

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--01-25

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left

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Current: sols since landing Planned: 90 sols

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Rover

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Opportunity

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Boeing

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Nasa mer daffy.png

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Opportunity solar array energy production

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Mars rover

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Delta II 7925H-9.5

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--07-07

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Curiosity

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The launch patch for Opportunity, featuring Duck Dodgers

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Opportunity, also known as MER-B (Mars Exploration Rover – B) or MER-1, is a robotic rover active on Mars since 2004. Launched on July 7, 2003 as part of NASA's Mars Exploration Rover program, it landed in Meridiani Planum on January 25, 2004, three weeks after its twin Spirit (MER-A) touched down on the other side of the planet. With a planned 90 sol duration of activity, Spirit functioned until getting stuck in 2009 and ceased communications in 2010, while Opportunity remains active as of 2016, having already exceeded its operating plan by (in Earth time). Opportunity has continued to move, gather scientific observations, and report back to Earth for over 48 times its designed lifespan. Mission highlights include the initial 90 sol mission, finding extramartian meteorites such as Heat Shield Rock (Meridiani Planum meteorite), and over two years studying Victoria crater. It survived dust-storms and reached Endeavour crater in 2011, which has been described as a "second landing site". The Jet Propulsion Laboratory (JPL), a division of the California Institute of Technology in Pasadena, California, manages the Mars Exploration Rover project for NASA's Science Mission Directorate in Washington, D.C.