The Kepler-263 System
2 planets
Cygnus
Kepler-263 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 2,462 light-years from Earth.
Size Comparison: The Planets of Kepler-263
Kepler-263: Star and Habitable Zone
Kepler-263
- Surface temperature
- 5,265 K (Sun: 5,772 K)
- Radius
- 0.79 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-263: 0.504–1.206 AU (conservative: 0.638–1.143 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-263 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-263 b | Mini Neptune | 17 d | 2.67 R⊕ | 0.27 | 2014 |
| Kepler-263 c | Mini Neptune | 47 d | 2.47 R⊕ | 0.41 | 2014 |
Discovery History
The first planet found here, Kepler-263 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-263 b (Transit)
- 2014 — Kepler-263 c (Transit)
Frequently Asked Questions About Kepler-263
How many planets does Kepler-263 have?
Kepler-263 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-263 system habitable?
None of the known planets in Kepler-263 orbit within the star's habitable zone.
How far away is Kepler-263?
Kepler-263 is about 2,462 light-years from Earth in the constellation Cygnus.