The Kepler-252 System
Kepler-252 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 1,238 light-years from Earth.
Size Comparison: The Planets of Kepler-252
Kepler-252: Star and Habitable Zone
Kepler-252
- Surface temperature
- 4,208 K (Sun: 5,772 K)
- Radius
- 0.55 R☉
Habitable zone of Kepler-252: 0.235–0.589 AU (conservative: 0.298–0.558 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-252 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-252 b | Terrestrial | 6.7 d | 1.23 R⊕ | 0.32 | 2014 |
| Kepler-252 c | Mini Neptune | 11 d | 2.15 R⊕ | 0.30 | 2014 |
Discovery History
The first planet found here, Kepler-252 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-252 b (Transit)
- 2014 — Kepler-252 c (Transit)
Frequently Asked Questions About Kepler-252
How many planets does Kepler-252 have?
Kepler-252 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-252 system habitable?
None of the known planets in Kepler-252 orbit within the star's habitable zone.
How far away is Kepler-252?
Kepler-252 is about 1,238 light-years from Earth in the constellation Cygnus.
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