The Kepler-103 System
Kepler-103 is a planetary system in the constellation Lyra hosting 2 confirmed exoplanets, about 1,614 light-years from Earth.
Size Comparison: The Planets of Kepler-103
Kepler-103: Star and Habitable Zone
Kepler-103
- Spectral type
- G2
- Surface temperature
- 6,047 K (Sun: 5,772 K)
- Mass
- 1.21 M☉
- Radius
- 1.49 R☉
Habitable zone of Kepler-103: 1.206–2.824 AU (conservative: 1.528–2.677 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-103 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-103 b | Sub Neptune | 16 d | 3.49 R⊕ | 0.20 | 2014 |
| Kepler-103 c | Neptune-like | 180 d | 5.45 R⊕ | 0.30 | 2014 |
Discovery History
The first planet found here, Kepler-103 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-103 b (Transit)
- 2014 — Kepler-103 c (Transit)
Frequently Asked Questions About Kepler-103
How many planets does Kepler-103 have?
Kepler-103 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-103 system habitable?
None of the known planets in Kepler-103 orbit within the star's habitable zone.
How far away is Kepler-103?
Kepler-103 is about 1,614 light-years from Earth in the constellation Lyra.
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