The Kepler-445 System
Kepler-445 is a planetary system in the constellation Cygnus hosting 3 confirmed exoplanets, about 415 light-years from Earth.
Size Comparison: The Planets of Kepler-445
Kepler-445: Star and Habitable Zone
Kepler-445
- Spectral type
- M4
- Surface temperature
- 3,157 K (Sun: 5,772 K)
- Mass
- 0.18 M☉
- Radius
- 0.21 R☉
Habitable zone of Kepler-445: 0.051–0.136 AU (conservative: 0.065–0.129 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-445 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-445 b | Super Earth | 3.0 d | 1.58 R⊕ | 0.35 | 2015 |
| Kepler-445 c | Mini Neptune | 4.9 d | 2.51 R⊕ | 0.36 | 2015 |
| Kepler-445 d | Terrestrial | 8.2 d | 1.25 R⊕ | 0.56 | 2015 |
Discovery History
The first planet found here, Kepler-445 b, was discovered in 2015 using the transit method.
- 2015 — Kepler-445 b (Transit)
- 2015 — Kepler-445 c (Transit)
- 2015 — Kepler-445 d (Transit)
Frequently Asked Questions About Kepler-445
How many planets does Kepler-445 have?
Kepler-445 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-445 system habitable?
None of the known planets in Kepler-445 orbit within the star's habitable zone.
How far away is Kepler-445?
Kepler-445 is about 415 light-years from Earth in the constellation Cygnus.
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