The Kepler-1801 System
Kepler-1801 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 2,738 light-years from Earth.
Size Comparison: The Planets of Kepler-1801
Kepler-1801: Star and Habitable Zone
Kepler-1801
- Surface temperature
- 5,738 K (Sun: 5,772 K)
- Mass
- 0.94 M☉
- Radius
- 0.98 R☉
Habitable zone of Kepler-1801: 0.728–1.717 AU (conservative: 0.922–1.627 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-1801 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-1801 b | Mini Neptune | 10 d | 2.71 R⊕ | 0.24 | 2021 |
| Kepler-1801 c | Mini Neptune | 117 d | 2.91 R⊕ | 0.51 | 2023 |
Discovery History
The first planet found here, Kepler-1801 b, was discovered in 2021 using the transit method. The most recent addition, Kepler-1801 c, followed in 2023.
- 2021 — Kepler-1801 b (Transit)
- 2023 — Kepler-1801 c (Transit)
Frequently Asked Questions About Kepler-1801
How many planets does Kepler-1801 have?
Kepler-1801 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-1801 system habitable?
None of the known planets in Kepler-1801 orbit within the star's habitable zone.
How far away is Kepler-1801?
Kepler-1801 is about 2,738 light-years from Earth in the constellation Cygnus.
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