The Kepler-210 System
Kepler-210 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 759 light-years from Earth.
Size Comparison: The Planets of Kepler-210
Kepler-210: Star and Habitable Zone
Kepler-210
- Surface temperature
- 4,559 K (Sun: 5,772 K)
- Radius
- 0.65 R☉
Habitable zone of Kepler-210: 0.323–0.796 AU (conservative: 0.409–0.754 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-210 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-210 b | Mini Neptune | 2.5 d | 2.94 R⊕ | 0.22 | 2014 |
| Kepler-210 c | Sub Neptune | 8.0 d | 3.62 R⊕ | 0.22 | 2014 |
Discovery History
The first planet found here, Kepler-210 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-210 b (Transit)
- 2014 — Kepler-210 c (Transit)
Frequently Asked Questions About Kepler-210
How many planets does Kepler-210 have?
Kepler-210 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-210 system habitable?
None of the known planets in Kepler-210 orbit within the star's habitable zone.
How far away is Kepler-210?
Kepler-210 is about 759 light-years from Earth in the constellation Cygnus.
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