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Exoplanet K2-288 B b
Exoplanet K2-288 B b orbits star K2-288 B that lies 214 light years away from the Sun.
It has about 250px of Earth radius and orbits its star closer than Earth orbits Sun.
Sun distance
214 light years
214 light years
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K2-288 B b
Exoplanet, sub-neptune
Star: K2-288 B
Distance from the star: 0.164 AU
Orbit around star: 31.39346 days
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Orbital period
Orbital period of exoplanet K2-288 B b around its star is 31.39346 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: 1.704 R Earth | 0.2 R Jupiter
Temperature: 226.36 K | -46.79 °C
Year of discovery: 2018 (transit)
Other designations of this exoplanet
Gaia DR2 44838019756570112 b
Gaia DR2 44838019756570112 b
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K2-288 system structure
Exoplanet K2-288 B b orbits star K2-288 B, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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K2-288 A | ||||||||
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K2-288 B | ||||||||
| K2-288 B b | 0.16 AU | 1.7 R⊕ | 31.4 days | ||||||
Comparison
When comparing to the Solar system planets, K2-288 B b orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Size | 4.45 | 1.79 | 1.7 | 3.22 | 0.15 | 0.19 | 0.43 | 0.45 |
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Distance | 0.42 | 0.23 | 0.16 | 0.11 | 0.03 | 0.02 | 0.01 | 0.01 |
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Temperature | 0.51 | 0.31 | 0.79 | 1.09 | 1.39 | 1.7 | 2.9 | 3.14 |