The Kepler-104 System
3 planets
2 stars
Lyra
Kepler-104 is a planetary system in the constellation Lyra hosting 3 confirmed exoplanets around 2 stars, about 1,307 light-years from Earth.
Size Comparison: The Planets of Kepler-104
Star Kepler-104 and Its Habitable Zone
Kepler-104
- Surface temperature
- 5,711 K (Sun: 5,772 K)
- Radius
- 1.35 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-104: 0.993–2.344 AU (conservative: 1.258–2.222 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 3 Planets in the Kepler-104 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-104 b | Sub Neptune | 11 d | 3.10 R⊕ | 0.21 | 2014 |
| Kepler-104 c | Sub Neptune | 24 d | 3.13 R⊕ | 0.23 | 2014 |
| Kepler-104 d | Sub Neptune | 52 d | 3.58 R⊕ | 0.25 | 2014 |
Discovery History
The first planet found here, Kepler-104 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-104 b (Transit)
- 2014 — Kepler-104 c (Transit)
- 2014 — Kepler-104 d (Transit)
Frequently Asked Questions About Kepler-104
How many planets does Kepler-104 have?
Kepler-104 has 3 confirmed exoplanets distributed around its 2 stars. More may await discovery.
Are any planets in the Kepler-104 system habitable?
None of the known planets in Kepler-104 orbit within the star's habitable zone.
How far away is Kepler-104?
Kepler-104 is about 1,307 light-years from Earth in the constellation Lyra.