The Kepler-1990 System
Kepler-1990 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 1,281 light-years from Earth.
Size Comparison: The Planets of Kepler-1990
Kepler-1990: Star and Habitable Zone
Kepler-1990
- Surface temperature
- 5,751 K (Sun: 5,772 K)
- Mass
- 1.03 M☉
- Radius
- 1.07 R☉
Habitable zone of Kepler-1990: 0.798–1.880 AU (conservative: 1.010–1.783 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-1990 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-1990 b | Sub Neptune | 1.7 d | 3.27 R⊕ | 0.20 | 2023 |
| Kepler-1990 c | Terrestrial | 4.1 d | 0.98 R⊕ | 0.30 | 2023 |
Discovery History
The first planet found here, Kepler-1990 b, was discovered in 2023 using the transit method.
- 2023 — Kepler-1990 b (Transit)
- 2023 — Kepler-1990 c (Transit)
Frequently Asked Questions About Kepler-1990
How many planets does Kepler-1990 have?
Kepler-1990 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-1990 system habitable?
None of the known planets in Kepler-1990 orbit within the star's habitable zone.
How far away is Kepler-1990?
Kepler-1990 is about 1,281 light-years from Earth in the constellation Cygnus.
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