date November 26, 2011  ( 2011-11-26 ) 15:02:00.211 UTC (10:02 EST) [ 1 ] [ 2 ] Launch vehicle Atlas V 541 (AV-028) Launch site Cape Canaveral LC-41 [ 3 ] Mission duration 668 Martian sols (23 Earth months) primary mission. Current: 58 days since landing COSPAR ID 2011-070A Homepage Mars Science