The Kepler-990 System
Kepler-990 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 2,616 light-years from Earth.
Size Comparison: The Planets of Kepler-990
Kepler-990: Star and Habitable Zone
Kepler-990
- Surface temperature
- 5,948 K (Sun: 5,772 K)
- Mass
- 1.05 M☉
- Radius
- 1.08 R☉
- Age
- 3.6 billion years (Sun: 4.6)
Habitable zone of Kepler-990: 0.850–1.994 AU (conservative: 1.077–1.891 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-990 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-990 b | Mini Neptune | 9.9 d | 2.60 R⊕ | 0.24 | 2016 |
| Kepler-990 c | Super Earth | 0.5 d | 1.53 R⊕ | 0.28 | 2016 |
Discovery History
The first planet found here, Kepler-990 b, was discovered in 2016 using the transit method.
- 2016 — Kepler-990 b (Transit)
- 2016 — Kepler-990 c (Transit)
Frequently Asked Questions About Kepler-990
How many planets does Kepler-990 have?
Kepler-990 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-990 system habitable?
None of the known planets in Kepler-990 orbit within the star's habitable zone.
How far away is Kepler-990?
Kepler-990 is about 2,616 light-years from Earth in the constellation Cygnus.
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