The Kepler-247 System
3 planets
Lyra
Kepler-247 is a planetary system in the constellation Lyra hosting 3 confirmed exoplanets, about 2,165 light-years from Earth.
Size Comparison: The Planets of Kepler-247
Kepler-247: Star and Habitable Zone
Kepler-247
- Surface temperature
- 5,100 K (Sun: 5,772 K)
- Radius
- 0.77 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-247: 0.466–1.123 AU (conservative: 0.591–1.065 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-247 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-247 b | Super Earth | 3.3 d | 1.64 R⊕ | 0.28 | 2014 |
| Kepler-247 c | Neptune-like | 9.4 d | 4.09 R⊕ | 0.19 | 2014 |
| Kepler-247 d | Sub Neptune | 20 d | 3.94 R⊕ | 0.24 | 2014 |
Discovery History
The first planet found here, Kepler-247 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-247 b (Transit)
- 2014 — Kepler-247 c (Transit)
- 2014 — Kepler-247 d (Transit)
Frequently Asked Questions About Kepler-247
How many planets does Kepler-247 have?
Kepler-247 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-247 system habitable?
None of the known planets in Kepler-247 orbit within the star's habitable zone.
How far away is Kepler-247?
Kepler-247 is about 2,165 light-years from Earth in the constellation Lyra.