The Kepler-170 System
Kepler-170 is a planetary system in the constellation Lyra hosting 2 confirmed exoplanets, about 2,409 light-years from Earth.
Size Comparison: The Planets of Kepler-170
Kepler-170: Star and Habitable Zone
Kepler-170
- Surface temperature
- 5,679 K (Sun: 5,772 K)
- Radius
- 1.03 R☉
Habitable zone of Kepler-170: 0.755–1.783 AU (conservative: 0.956–1.691 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-170 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-170 b | Sub Neptune | 7.9 d | 3.20 R⊕ | 0.21 | 2014 |
| Kepler-170 c | Mini Neptune | 17 d | 2.86 R⊕ | 0.24 | 2014 |
Discovery History
The first planet found here, Kepler-170 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-170 b (Transit)
- 2014 — Kepler-170 c (Transit)
Frequently Asked Questions About Kepler-170
How many planets does Kepler-170 have?
Kepler-170 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-170 system habitable?
None of the known planets in Kepler-170 orbit within the star's habitable zone.
How far away is Kepler-170?
Kepler-170 is about 2,409 light-years from Earth in the constellation Lyra.
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