The Kepler-216 System
Kepler-216 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 3,873 light-years from Earth.
Size Comparison: The Planets of Kepler-216
Kepler-216: Star and Habitable Zone
Kepler-216
- Surface temperature
- 6,091 K (Sun: 5,772 K)
- Radius
- 1.26 R☉
Habitable zone of Kepler-216: 1.031–2.411 AU (conservative: 1.306–2.286 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-216 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-216 b | Mini Neptune | 7.7 d | 2.35 R⊕ | 0.24 | 2014 |
| Kepler-216 c | Sub Neptune | 17 d | 3.04 R⊕ | 0.21 | 2014 |
Discovery History
The first planet found here, Kepler-216 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-216 b (Transit)
- 2014 — Kepler-216 c (Transit)
Frequently Asked Questions About Kepler-216
How many planets does Kepler-216 have?
Kepler-216 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-216 system habitable?
None of the known planets in Kepler-216 orbit within the star's habitable zone.
How far away is Kepler-216?
Kepler-216 is about 3,873 light-years from Earth in the constellation Cygnus.
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