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

Mission News

July 28, 2014
MESSENGER Gets Closer to Mercury than Ever Before
On July 25, MESSENGER moved closer to Mercury than any spacecraft has before, dropping to an altitude at closest approach of only 100 kilometers (62 miles) above the planet's surface. [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

July 28, 2014
MESSENGER Gets Closer to Mercury than Ever Before
July 25, 2014
Paint Me a Picture
July 23, 2014
Peaking into the Shadows
July 21, 2014
Watchers of the Wall
July 18, 2014
You Can Crater on Me