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TESS

NASA's Transiting Exoplanet Survey Satellite is an active MIT-led all-sky observatory searching bright nearby stars for transiting planets while also monitoring variable stars, supernovae, asteroids, and other changing objects.

Identity

Aliases
Transiting Exoplanet Survey SatelliteTESS MissionTESS Extended Mission
Name
TESS
Slug
tess
Status
active

Details

Description
NASA's Transiting Exoplanet Survey Satellite is an active MIT-led all-sky observatory searching bright nearby stars for transiting planets while also monitoring variable stars, supernovae, asteroids, and other changing objects.
Launch Site Id
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Outcome
Active and successful to date. TESS completed its two-year prime survey, continued through successive extended missions, and by September 2025 had identified nearly 6,000 confirmed or candidate exoplanets. Following a brief January 2026 safe mode, it returned to normal science observations on January 18, 2026.
Program
NASA Explorers Program (MIDEX)
Start Date
2018-04-18
Vehicle Family Ids
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Vehicle Id
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Links

Assets & Meta

Creation Time
7/17/2026, 1:02:09 AM
Updated Time
7/17/2026, 1:02:09 AM

Other

Affiliations
  • Organization Id
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    Role
    Lead agency and Explorers Program sponsor
  • Organization Id
    vn71xd72jhy95w82zbxq5hzb818aqj49
    Role
    Principal-investigator institution, mission lead and operator, camera/electronics development, payload operations, and Science Operations Center
  • Organization Id
    vn71m3a9t7bhfbpr44wmc59zwh8aqcy2
    Role
    Mission management, systems engineering, safety and mission assurance, flight dynamics, and Guest Investigator program
  • Organization Id
    jd721nj3rrbc9hy6hqxftvxatn7kpgtd
    Role
    Orbital ATK spacecraft provider, observatory integration and testing, and Mission Operations Center
  • Organization Id
    vn7eat3v314fcqy2anbd7p6a618aqddv
    Role
    Science Processing Operations Center and science-data processing pipeline
  • Organization Id
    vn7d1tarzcznj89nd3qq8n9wrs8apgmk
    Role
    TESS Science Office and follow-up-program leadership
  • Organization Id
    vn74x3fdyyqs9vpfmgzr2mmsg97nytez
    Role
    MAST science-data archive administration
  • Organization Id
    jd7ce2bqftfeecsmsam5yhj86d7kqbmw
    Role
    Falcon 9 launch vehicle provider