The Kepler-10 System
Kepler-10 is a planetary system in the constellation Draco hosting 3 confirmed exoplanets, about 605 light-years from Earth.
Size Comparison: The Planets of Kepler-10
Planets without a measured radius are not shown.
Kepler-10: Star and Habitable Zone
Kepler-10
- Surface temperature
- 5,708 K (Sun: 5,772 K)
- Mass
- 0.91 M☉
- Radius
- 1.07 R☉
- Age
- 10.6 billion years (Sun: 4.6)
Habitable zone of Kepler-10: 0.783–1.849 AU (conservative: 0.992–1.753 AU), per Kopparapu et al. (2014). Earth orbits the Sun at 1 AU.
See the full interactive habitable-zone view in the Exoplanet Explorer app ›
All 3 Planets in the Kepler-10 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-10 b | Lava World | 0.8 d | 1.47 R⊕ | 0.28 | 2011 |
| Kepler-10 c | Super Earth | 45 d | 2.36 R⊕ | 0.30 | 2011 |
| Kepler-10 d | Neptune-like | 151 d | — | 0.41 | 2023 |
Discovery History
The first planet found here, Kepler-10 b, was discovered in 2011 using the transit method. The most recent addition, Kepler-10 d, followed in 2023.
- 2011 — Kepler-10 b (Transit)
- 2011 — Kepler-10 c (Transit)
- 2023 — Kepler-10 d (Radial Velocity)
Frequently Asked Questions About Kepler-10
How many planets does Kepler-10 have?
Kepler-10 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-10 system habitable?
None of the known planets in Kepler-10 orbit within the star's habitable zone.
How far away is Kepler-10?
Kepler-10 is about 605 light-years from Earth in the constellation Draco.
Explore the Kepler-10 system in the app
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