The Kepler-466 System
Kepler-466 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 1,729 light-years from Earth.
Size Comparison: The Planets of Kepler-466
Kepler-466: Star and Habitable Zone
Kepler-466
- Surface temperature
- 5,927 K (Sun: 5,772 K)
- Mass
- 1.04 M☉
- Radius
- 1.05 R☉
- Age
- 3.5 billion years (Sun: 4.6)
Habitable zone of Kepler-466: 0.822–1.929 AU (conservative: 1.041–1.829 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-466 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-466 b | Mini Neptune | 51 d | 2.85 R⊕ | 0.31 | 2016 |
| Kepler-466 c | Terrestrial | 3.7 d | 1.25 R⊕ | 0.29 | 2016 |
Discovery History
The first planet found here, Kepler-466 b, was discovered in 2016 using the transit method.
- 2016 — Kepler-466 b (Transit)
- 2016 — Kepler-466 c (Transit)
Frequently Asked Questions About Kepler-466
How many planets does Kepler-466 have?
Kepler-466 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-466 system habitable?
None of the known planets in Kepler-466 orbit within the star's habitable zone.
How far away is Kepler-466?
Kepler-466 is about 1,729 light-years from Earth in the constellation Cygnus.
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