The Kepler-402 System
4 planets
Lyra
Kepler-402 is a planetary system in the constellation Lyra hosting 4 confirmed exoplanets, about 2,040 light-years from Earth.
Size Comparison: The Planets of Kepler-402
Kepler-402: Star and Habitable Zone
Kepler-402
- Surface temperature
- 6,090 K (Sun: 5,772 K)
- Radius
- 1.26 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of Kepler-402: 1.034–2.418 AU (conservative: 1.310–2.292 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 4 Planets in the Kepler-402 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-402 b | Terrestrial | 4.0 d | 1.22 R⊕ | 0.29 | 2014 |
| Kepler-402 c | Super Earth | 6.1 d | 1.56 R⊕ | 0.28 | 2014 |
| Kepler-402 d | Super Earth | 8.9 d | 1.38 R⊕ | 0.29 | 2014 |
| Kepler-402 e | Super Earth | 11 d | 1.46 R⊕ | 0.29 | 2014 |
Discovery History
The first planet found here, Kepler-402 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-402 b (Transit)
- 2014 — Kepler-402 c (Transit)
- 2014 — Kepler-402 d (Transit)
- 2014 — Kepler-402 e (Transit)
Frequently Asked Questions About Kepler-402
How many planets does Kepler-402 have?
Kepler-402 has 4 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-402 system habitable?
None of the known planets in Kepler-402 orbit within the star's habitable zone.
How far away is Kepler-402?
Kepler-402 is about 2,040 light-years from Earth in the constellation Lyra.