A NASA Discovery mission to conduct the first orbital study
of the innermost planet
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MESSENGER

Mission News

August 3, 2015
MESSENGER Team Celebrates 11th Anniversary of Launch
Eleven years ago today -- at 2:15:56 am EDT -- NASA's MESSENGER spacecraft was launched aboard a Boeing Delta II rocket from Cape Canaveral Air Force Station in Florida, and after more than 6 1/2 years in transit it became the first spacecraft to orbit the innermost planet in our solar system. [more]

Mission Elapsed Time
August 3, 2004
DAYS HRS MINS SECS
Day Spot 1 Day Spot 2 Day Spot 3 Day Spot 4
Hour Spot 1 HourSpot2
Minute Spot 1 Minute Spot 2
Second Spot 1 Second Spot 2
Mercury Orbit Insertion
March 18, 2011
00:45 UTC
DAYS HRS MINS SECS
Day Spot 1a Day Spot 1 Day Spot 2 Day Spot 3
Hour Spot 1 HourSpot2
Minute Spot 1 Minute Spot 2
Second Spot 1 Second Spot 2
Time since Insertion Burn
Orbits Around Mercury
Orbits completed: 4104

Featured Images

July 1, 2015
MESSENGER's End of Mission Briefing: Unlocking the Mysteries of Mercury
June 3, 2015
Best Determination of MESSENGER's Impact Location
May 6, 2015
End of Orbital Operations
May 1, 2015
In Tribute
April 30, 2015
From the First to the Last