Kepler

2001–2012: Planetary Exploration Becomes Persistent

Kepler

Revolutionized exoplanet discovery and occurrence-rate studies.

Era 4 of 6 · full record in the catalog

Launch
7 Mar 2009
Lead / partner
United States
Target
Earth-trailing solar orbit
Category
Space observatory
Status
Success
Vehicle
Delta II
Mass
unknown
Orbit / trajectory
Heliocentric
Duration
Planned: 3.5 years Final: 9 years, 7 months, 23 days

Why it happened

Kepler flew during 2001–2012: Planetary Exploration Becomes Persistent, as part of United States's work toward earth-trailing solar orbit. A sourced write-up of the context around this mission is still on the editorial queue; nothing here is invented to fill the gap.

The mission

The full narrative of this mission is pending research and writing. What is recorded so far: Revolutionized exoplanet discovery and occurrence-rate studies.

Results

Revolutionized exoplanet discovery and occurrence-rate studies.

Related missions

Kepler Gaia — same_program Gaia AstroSat — same_program AstroSat Herschel — competitor Herschel Planck — competitor Planck

Gaia

Success

ESA · 2013

Sources & image credits

  • NASA/JPL-CalTech, via Wikimedia Commons · Public domain · license: public-domain (source, checked 2026-08-24)
  • Mission record: AntarikshPedia canonical dataset (data-sources/missions_timeline.md)
  • Specifications reference: NASA NSSDCA Master Catalog