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

Mission News

May 7, 2015
MESSENGER Finds Evidence of Ancient Magnetic Field on Mercury
Mercury's magnetic field, generated by a dynamo process in its outer core, has been in place far longer than previously known, a paper by MESSENGER Participating Scientist Catherine Johnson reports. [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

May 6, 2015
End of Orbital Operations
May 1, 2015
In Tribute
April 30, 2015
From the First to the Last
April 30, 2015
MESSENGER's Final Image
April 30, 2015
One of the Last