The Kepler-1181 System
Kepler-1181 is a planetary system in the constellation Lyra hosting 2 confirmed exoplanets, about 3,061 light-years from Earth.
Size Comparison: The Planets of Kepler-1181
Kepler-1181: Star and Habitable Zone
Kepler-1181
- Surface temperature
- 6,176 K (Sun: 5,772 K)
- Mass
- 1.17 M☉
- Radius
- 1.30 R☉
- Age
- 3.2 billion years (Sun: 4.6)
Habitable zone of Kepler-1181: 1.088–2.540 AU (conservative: 1.378–2.408 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-1181 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-1181 b | Super Earth | 4.9 d | 1.57 R⊕ | 0.28 | 2016 |
| Kepler-1181 c | Super Earth | 8.9 d | 1.83 R⊕ | 0.27 | 2023 |
Discovery History
The first planet found here, Kepler-1181 b, was discovered in 2016 using the transit method. The most recent addition, Kepler-1181 c, followed in 2023.
- 2016 — Kepler-1181 b (Transit)
- 2023 — Kepler-1181 c (Transit)
Frequently Asked Questions About Kepler-1181
How many planets does Kepler-1181 have?
Kepler-1181 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-1181 system habitable?
None of the known planets in Kepler-1181 orbit within the star's habitable zone.
How far away is Kepler-1181?
Kepler-1181 is about 3,061 light-years from Earth in the constellation Lyra.
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