Launch Event Details - archived

When did the Rovers Launch?

Daily Windows: Two launch opportunities occured each day during the launch period. Spirit, the first rover, launched on June 10. Opportunity, the second rover, launched on July 7. The launch times become earlier each day through the launch period. View a table of all launch opportunities.

• Mission: MER-A "Spirit"
• Launch Date: June 10, 2003
• Launch Time: 1:58:47 p.m. EDT
• Launch Vehicle: Delta II
• Launch Pad: 17-A

• Mission: MER-B "Opportunity"
• Launch Date: July 7, 2003
• Launch Time: 11:18:15 p.m. EDT
• Launch Vehicle: Delta II
• Launch Pad: 17-B

How Do I View the Launch?

• In Person
• Over NASA TV
• Over the Internet

Detailed Launch Windows

Launch Sequence

Launch Sequence Details

Launch Sequence Diagrams