Back to Missions

MESSENGER

NASA's MESSENGER Discovery mission used one Earth, two Venus, and three Mercury gravity assists to become the first spacecraft to orbit Mercury, then mapped and characterized the planet for more than four years.

Identity

Aliases
MErcury Surface, Space ENvironment, GEochemistry, and RangingMercury Surface, Space Environment, Geochemistry, and Ranging
Name
MESSENGER
Slug
messenger
Status
completed

Details

Description
NASA's MESSENGER Discovery mission used one Earth, two Venus, and three Mercury gravity assists to become the first spacecraft to orbit Mercury, then mapped and characterized the planet for more than four years.
End Date
2015-04-30
Launch Site Id
qh7422164wy3ft5y6fa3dk60ah8afkef
Outcome
Success. MESSENGER became the first spacecraft to orbit Mercury, globally mapped the planet, characterized its composition and magnetic field, documented its geological history, and confirmed that its polar deposits are dominated by water ice. After exhausting usable propellant, it completed the mission with a predicted impact on Mercury on April 30, 2015.
Program
Discovery Program
Start Date
2004-08-03
Vehicle Family Ids
nd7g7w3by3wprt2t207cnfqq898aehapnd7thr9fthhnpe67q8a4qdc2jx8ap9e5
Vehicle Id
nh7wkq0tkxq6gh4tjtstpj5qdh8apsv6

Links

Assets & Meta

Creation Time
7/17/2026, 12:21:30 AM
Updated Time
7/17/2026, 12:23:04 AM

Other

Affiliations
  • Organization Id
    vh76vnx3yy1vy23j7zc3wk80wx7nhx5f
    Role
    Lead agency
  • Organization Id
    vn7egd2rqcsc07cmkp421ewc1h8af313
    Role
    Mission management, spacecraft design and construction, operations
  • Organization Id
    vn7ezg8fe999hq4397cscjcj0h8apdzd
    Role
    Principal investigator institution
  • Organization Id
    jd7atcy8qz2mwf1b5bcd0ckw8s7kp4gj
    Role
    Launch vehicle provider