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Extrasolar planet From Wikipedia, the free encyclopedia
Kepler-443b is an exoplanet about 2,540 light-years from Earth.[2] It has an 89.9 percent chance of being in the star's habitable zone, yet only a 4.9 percent chance of being rocky.[1]
| |
| Discovery | |
|---|---|
| Discovered by | Guillermo Torres et al.[1] |
| Discovery site | Kepler |
| Discovery date | January 7, 2015 |
| Transit method | |
| Orbital characteristics | |
| 0.495 AU (74,100,000 km)[1] | |
| Eccentricity | ≥0.11[1] |
| 177.6693[1] d | |
| Inclination | 89.94[1] |
| JD 2455630.2460[1] | |
| Star | Kepler-443 |
| Physical characteristics | |
| 2.33[1] R🜨 | |
Kepler-443b has a mass of 6.04 Earth masses,[3] a radius of 2.33 Earth radii[2] and a temperature of 247 kelvin.[2]
Kepler-443b orbits a K-type star called Kepler-443, 2541 light-years away.[2]
Kepler-443b takes 177.6693 days to orbit its star, with an inclination of 89.94°, a semimajor axis of 0.495 AU and an eccentricity of at least 0.11.[2]
Kepler-443b may be habitable, but the planet has only a 4.9 percent chance of being rocky.[1] The planet is much more likely to be a water world or a Mini-Neptune.
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