The Kepler-101 System
Kepler-101 is a planetary system in the constellation Draco hosting 2 confirmed exoplanets, about 3,027 light-years from Earth.
Size Comparison: The Planets of Kepler-101
Kepler-101: Star and Habitable Zone
Kepler-101
- Spectral type
- G3 IV
- Surface temperature
- 5,667 K (Sun: 5,772 K)
- Mass
- 1.17 M☉
- Radius
- 1.56 R☉
- Age
- 5.9 billion years (Sun: 4.6)
Habitable zone of Kepler-101: 1.134–2.679 AU (conservative: 1.436–2.540 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 2 Planets in the Kepler-101 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-101 b | Neptune-like | 3.5 d | 5.77 R⊕ | 0.14 | 2014 |
| Kepler-101 c | Terrestrial | 6.0 d | 1.25 R⊕ | 0.29 | 2014 |
Discovery History
The first planet found here, Kepler-101 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-101 b (Transit)
- 2014 — Kepler-101 c (Transit)
Frequently Asked Questions About Kepler-101
How many planets does Kepler-101 have?
Kepler-101 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-101 system habitable?
None of the known planets in Kepler-101 orbit within the star's habitable zone.
How far away is Kepler-101?
Kepler-101 is about 3,027 light-years from Earth in the constellation Draco.
Explore the Kepler-101 system in the app
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