The Kepler-243 System
Kepler-243 is a planetary system in the constellation Lyra hosting 2 confirmed exoplanets, about 2,263 light-years from Earth.
Size Comparison: The Planets of Kepler-243
Kepler-243: Star and Habitable Zone
Kepler-243
- Surface temperature
- 5,228 K (Sun: 5,772 K)
- Radius
- 0.84 R☉
Habitable zone of Kepler-243: 0.534–1.279 AU (conservative: 0.676–1.213 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-243 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-243 b | Mini Neptune | 5.7 d | 2.45 R⊕ | 0.24 | 2014 |
| Kepler-243 c | Super Earth | 20 d | 1.99 R⊕ | 0.32 | 2014 |
Discovery History
The first planet found here, Kepler-243 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-243 b (Transit)
- 2014 — Kepler-243 c (Transit)
Frequently Asked Questions About Kepler-243
How many planets does Kepler-243 have?
Kepler-243 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-243 system habitable?
None of the known planets in Kepler-243 orbit within the star's habitable zone.
How far away is Kepler-243?
Kepler-243 is about 2,263 light-years from Earth in the constellation Lyra.
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