The Kepler-246 System
Kepler-246 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 2,042 light-years from Earth.
Size Comparison: The Planets of Kepler-246
Kepler-246: Star and Habitable Zone
Kepler-246
- Surface temperature
- 5,206 K (Sun: 5,772 K)
- Radius
- 0.83 R☉
Habitable zone of Kepler-246: 0.523–1.255 AU (conservative: 0.662–1.189 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-246 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-246 b | Mini Neptune | 4.6 d | 2.34 R⊕ | 0.25 | 2014 |
| Kepler-246 c | Super Earth | 11 d | 1.50 R⊕ | 0.31 | 2014 |
Discovery History
The first planet found here, Kepler-246 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-246 b (Transit)
- 2014 — Kepler-246 c (Transit)
Frequently Asked Questions About Kepler-246
How many planets does Kepler-246 have?
Kepler-246 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-246 system habitable?
None of the known planets in Kepler-246 orbit within the star's habitable zone.
How far away is Kepler-246?
Kepler-246 is about 2,042 light-years from Earth in the constellation Cygnus.
Explore the Kepler-246 system in the app
Browse, filter and compare 6,000+ exoplanets on iPhone, iPad and Apple Watch — with habitable-zone views, widgets and offline data.
