The Kepler-229 System
Kepler-229 is a planetary system in the constellation Draco hosting 3 confirmed exoplanets, about 2,695 light-years from Earth.
Size Comparison: The Planets of Kepler-229
Kepler-229: Star and Habitable Zone
Kepler-229
- Surface temperature
- 5,120 K (Sun: 5,772 K)
- Radius
- 0.73 R☉
Habitable zone of Kepler-229: 0.445–1.071 AU (conservative: 0.564–1.016 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-229 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-229 b | Mini Neptune | 6.3 d | 2.20 R⊕ | 0.26 | 2014 |
| Kepler-229 c | Neptune-like | 16 d | 4.92 R⊕ | 0.20 | 2014 |
| Kepler-229 d | Sub Neptune | 41 d | 3.85 R⊕ | 0.35 | 2014 |
Discovery History
The first planet found here, Kepler-229 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-229 b (Transit)
- 2014 — Kepler-229 c (Transit)
- 2014 — Kepler-229 d (Transit)
Frequently Asked Questions About Kepler-229
How many planets does Kepler-229 have?
Kepler-229 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-229 system habitable?
None of the known planets in Kepler-229 orbit within the star's habitable zone.
How far away is Kepler-229?
Kepler-229 is about 2,695 light-years from Earth in the constellation Draco.
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