The Kepler-199 System
Kepler-199 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 1,699 light-years from Earth.
Size Comparison: The Planets of Kepler-199
Kepler-199: Star and Habitable Zone
Kepler-199
- Surface temperature
- 5,644 K (Sun: 5,772 K)
- Radius
- 0.97 R☉
Habitable zone of Kepler-199: 0.698–1.651 AU (conservative: 0.884–1.565 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-199 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-199 b | Sub Neptune | 24 d | 3.11 R⊕ | 0.24 | 2014 |
| Kepler-199 c | Sub Neptune | 67 d | 3.25 R⊕ | 0.33 | 2014 |
Discovery History
The first planet found here, Kepler-199 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-199 b (Transit)
- 2014 — Kepler-199 c (Transit)
Frequently Asked Questions About Kepler-199
How many planets does Kepler-199 have?
Kepler-199 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-199 system habitable?
None of the known planets in Kepler-199 orbit within the star's habitable zone.
How far away is Kepler-199?
Kepler-199 is about 1,699 light-years from Earth in the constellation Cygnus.
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