The Kepler-1869 System
Kepler-1869 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 369 light-years from Earth.
Size Comparison: The Planets of Kepler-1869
Kepler-1869: Star and Habitable Zone
Kepler-1869
- Surface temperature
- 5,808 K (Sun: 5,772 K)
- Mass
- 0.99 M☉
- Radius
- 0.90 R☉
Habitable zone of Kepler-1869: 0.683–1.607 AU (conservative: 0.865–1.524 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-1869 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-1869 b | Terrestrial | 8.2 d | 1.12 R⊕ | 0.30 | 2021 |
| Kepler-1869 c | Terrestrial | 1.7 d | 0.74 R⊕ | 0.29 | 2023 |
Discovery History
The first planet found here, Kepler-1869 b, was discovered in 2021 using the transit method. The most recent addition, Kepler-1869 c, followed in 2023.
- 2021 — Kepler-1869 b (Transit)
- 2023 — Kepler-1869 c (Transit)
Frequently Asked Questions About Kepler-1869
How many planets does Kepler-1869 have?
Kepler-1869 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-1869 system habitable?
None of the known planets in Kepler-1869 orbit within the star's habitable zone.
How far away is Kepler-1869?
Kepler-1869 is about 369 light-years from Earth in the constellation Cygnus.
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