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

Mission News

April 9, 2015
Nothing but Helium: Correction Maneuver Puts MESSENGER Right on Course
The MESSENGER team is pulling out all the stops to give the spacecraft life far beyond its original design. On April 8, mission operators at the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., successfully conducted a contingency orbit-correction maneuver (OCM-15a), to supplement the April 6 burn (OCM-15) that concluded early when the last drops of hydrazine fuel were expended. [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
Countdown to Insertion Burn
Orbits Around Mercury
Orbits completed: 

Time until start of next orbit (hh:mm:ss): 
Orbit start is at maximum altitude.

Featured Images

April 8, 2015
Pits and Scarps
April 6, 2015
Disappearing Act
April 3, 2015
These are the voyages...
April 1, 2015
A Field of Hollows
March 30, 2015
Crumpled Crater