The Kepler-2001 System
Kepler-2001 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 2,533 light-years from Earth.
Size Comparison: The Planets of Kepler-2001
Kepler-2001: Star and Habitable Zone
Kepler-2001
- Surface temperature
- 5,081 K (Sun: 5,772 K)
- Mass
- 0.86 M☉
- Radius
- 0.77 R☉
Habitable zone of Kepler-2001: 0.465–1.120 AU (conservative: 0.588–1.061 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-2001 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-2001 b | Terrestrial | 1.1 d | 1.04 R⊕ | 0.29 | 2023 |
| Kepler-2001 c | Super Earth | 14 d | 1.82 R⊕ | 0.32 | 2023 |
Discovery History
The first planet found here, Kepler-2001 b, was discovered in 2023 using the transit method.
- 2023 — Kepler-2001 b (Transit)
- 2023 — Kepler-2001 c (Transit)
Frequently Asked Questions About Kepler-2001
How many planets does Kepler-2001 have?
Kepler-2001 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-2001 system habitable?
None of the known planets in Kepler-2001 orbit within the star's habitable zone.
How far away is Kepler-2001?
Kepler-2001 is about 2,533 light-years from Earth in the constellation Cygnus.
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