The Kepler-204 System
Kepler-204 is a planetary system in the constellation Lyra hosting 2 confirmed exoplanets, about 2,240 light-years from Earth.
Size Comparison: The Planets of Kepler-204
Kepler-204: Star and Habitable Zone
Kepler-204
- Surface temperature
- 5,812 K (Sun: 5,772 K)
- Radius
- 1.24 R☉
Habitable zone of Kepler-204: 0.938–2.208 AU (conservative: 1.188–2.094 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-204 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-204 b | Mini Neptune | 14 d | 2.53 R⊕ | 0.25 | 2014 |
| Kepler-204 c | Super Earth | 26 d | 1.79 R⊕ | 0.30 | 2014 |
Discovery History
The first planet found here, Kepler-204 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-204 b (Transit)
- 2014 — Kepler-204 c (Transit)
Frequently Asked Questions About Kepler-204
How many planets does Kepler-204 have?
Kepler-204 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-204 system habitable?
None of the known planets in Kepler-204 orbit within the star's habitable zone.
How far away is Kepler-204?
Kepler-204 is about 2,240 light-years from Earth in the constellation Lyra.
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