The Kepler-249 System
3 planets
Cygnus
Kepler-249 is a planetary system in the constellation Cygnus hosting 3 confirmed exoplanets, about 621 light-years from Earth.
Size Comparison: The Planets of Kepler-249
Kepler-249: Star and Habitable Zone
Kepler-249
- Surface temperature
- 3,568 K (Sun: 5,772 K)
- Radius
- 0.48 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-249: 0.150–0.388 AU (conservative: 0.190–0.368 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-249 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-249 b | Terrestrial | 3.3 d | 1.09 R⊕ | 0.34 | 2014 |
| Kepler-249 c | Super Earth | 7.1 d | 1.51 R⊕ | 0.41 | 2014 |
| Kepler-249 d | Super Earth | 15 d | 1.57 R⊕ | 0.58 | 2014 |
Discovery History
The first planet found here, Kepler-249 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-249 b (Transit)
- 2014 — Kepler-249 c (Transit)
- 2014 — Kepler-249 d (Transit)
Frequently Asked Questions About Kepler-249
How many planets does Kepler-249 have?
Kepler-249 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-249 system habitable?
None of the known planets in Kepler-249 orbit within the star's habitable zone.
How far away is Kepler-249?
Kepler-249 is about 621 light-years from Earth in the constellation Cygnus.