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Exoplanet K2-99 b
Exoplanet K2-99 b orbits star K2-99 that lies 1718 light years away from the Sun.
It weighs about 276.579 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
1718 light years
1718 light years
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K2-99 b
Exoplanet, gas giant
Star: K2-99
Distance from the star: 0.153 AU
Orbit around star: 18.24783 days
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Orbital period
Orbital period of exoplanet K2-99 b around its star is 18.24783 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
Mass: 276.579 M Earth
| 0.8703 M Jupiter
Exoplanet mass
Exoplanet K2-99 b has 276.579 Earth masses (or 0.8703 Jupiter masses).
The mass of an exoplanet is one of the most important characteristics for understanding what kind of world it is — whether it’s small and rocky like Earth or large and gaseous like Jupiter. Mass provides key information about the planet’s composition, gravity, and formation history...
More about Exoplanet mass in StellarGuide
Size: 11.725 R Earth | 1 R Jupiter
Density: 946 kg/m3 | 17.16 % Earth
Temperature: 1184 K | 910.85 °C
Year of discovery: 2016 (transit)
Other designations of this exoplanet
BD-04 3588 b, EPIC 212803289 b, 2MASS J13550570-0526330 b, TIC 176966903 b, TYC 4974-871-1 b, Gaia DR2 3620612011248988416 b
BD-04 3588 b, EPIC 212803289 b, 2MASS J13550570-0526330 b, TIC 176966903 b, TYC 4974-871-1 b, Gaia DR2 3620612011248988416 b
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Comparison
When comparing to the Solar system planets, K2-99 b has 87 % of mass of Jupiter and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 5028.71 | 339.36 | 276.58 | 2514.35 | 0.87 | 2.91 | 18.94 | 16.08 |
|
Size | 30.62 | 12.34 | 11.73 | 22.12 | 1.05 | 1.29 | 2.93 | 3.09 |
|
Density | 0.18 | 0.18 | 0.17 | 0.23 | 0.76 | 1.36 | 0.75 | 0.55 |
|
Distance | 0.39 | 0.21 | 0.15 | 0.1 | 0.03 | 0.02 | 0.01 | 0.01 |
|
Temperature | 2.69 | 1.61 | 4.11 | 5.69 | 7.26 | 8.9 | 15.18 | 16.44 |