The Kepler-240 System
2 planets
Lyra
Kepler-240 is a planetary system in the constellation Lyra hosting 2 confirmed exoplanets, about 2,436 light-years from Earth.
Size Comparison: The Planets of Kepler-240
Kepler-240: Star and Habitable Zone
Kepler-240
- Surface temperature
- 4,985 K (Sun: 5,772 K)
- Radius
- 0.74 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-240: 0.431–1.043 AU (conservative: 0.546–0.989 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-240 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-240 b | Super Earth | 4.1 d | 1.37 R⊕ | 0.30 | 2014 |
| Kepler-240 c | Mini Neptune | 8.0 d | 2.20 R⊕ | 0.27 | 2014 |
Discovery History
The first planet found here, Kepler-240 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-240 b (Transit)
- 2014 — Kepler-240 c (Transit)
Frequently Asked Questions About Kepler-240
How many planets does Kepler-240 have?
Kepler-240 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-240 system habitable?
None of the known planets in Kepler-240 orbit within the star's habitable zone.
How far away is Kepler-240?
Kepler-240 is about 2,436 light-years from Earth in the constellation Lyra.