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

Mission News

April 16, 2015
NASA Celebrates MESSENGER Mission Prior to Surface Impact of Mercury
NASA's highly successful MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) spacecraft is coming to the end of its operations. Mission engineers predict that the probe -- out of fuel and under gravity's spell -- will impact Mercury on April 30 at more than 8,750 miles per hour (3.91 kilometers per second). [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 21, 2015
Goodbye, Hollows
April 20, 2015
The End Is Near
April 16, 2015
Awesome Abedin
April 16, 2015
A Striking Perspective
April 16, 2015
Orange Is the New Blue