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Exoplanet Kepler 221 b
Exoplanet Kepler 221 b orbits star Kepler 221 that lies 1247 light years away from the Sun.
It has about 250px of Earth radius and orbits its star much closer than Earth orbits Sun.
Sun distance
1247 light years
1247 light years
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Kepler 221 b
Exoplanet, sub-neptune
Star: Kepler 221
Distance from the star: 0.037 AU
Orbit around star: 2.795906 days
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Orbital period
Orbital period of exoplanet Kepler 221 b around its star is 2.795906 days.
The orbital period of an exoplanet is the time it takes to complete one full orbit around its star, usually measured in days. Most of the exoplanets discovered so far have orbital periods of less than one year...
More about Orbital period in StellarGuide
Basic characteristic
Size: 1.715 R Earth | 0.2 R Jupiter
Year of discovery: 2014 (transit)
Other designations of this exoplanet
2MASS J19463714+4650069 b
2MASS J19463714+4650069 b
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Kepler 221 system structure
Exoplanet Kepler 221 b orbits star Kepler 221, which has lower mass than Sun. It is one of 4 known exoplanets orbiting this star.
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Kepler 221 | ||||||||
| Kepler 221 b | 0.04 AU | 1.7 R⊕ | 2.8 days | ||||||
| Kepler 221 c | 0.06 AU | 3 R⊕ | 5.7 days | ||||||
| Kepler 221 d | 0.09 AU | 2.7 R⊕ | 10 days | ||||||
| Kepler 221 e | 0.13 AU | 2.6 R⊕ | 18.4 days | ||||||
Comparison
When comparing to the Solar system planets, Kepler 221 b orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Size | 4.48 | 1.81 | 1.72 | 3.24 | 0.15 | 0.19 | 0.43 | 0.45 |
|
Distance | 0.09 | 0.05 | 0.04 | 0.02 | 0.01 | 0 | 0 | 0 |
Habitability
Habitable zone of the star: 385.6 - 555.5 AU
The planet is too hot to sustain liquid water.