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Exoplanet K2-289 b
Exoplanet K2-289 b orbits star K2-289 that lies 883 light years away from the Sun.
It weighs about 48.604 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
883 light years
883 light years
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K2-289 b
Exoplanet
Star: K2-289
Distance from the star: 0.107 AU
Orbit around star: 13.157 days
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Orbital period
Orbital period of exoplanet K2-289 b around its star is 13.157 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: 48.604 M Earth
| 0.1529 M Jupiter
Exoplanet mass
Exoplanet K2-289 b has 48.604 Earth masses (or 0.1529 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: 9.102 R Earth | 0.8 R Jupiter
Density: 355 kg/m3 | 6.44 % Earth
Temperature: 753 K | 479.85 °C
Year of discovery: 2019 (transit)
Other designations of this exoplanet
K2-289 b, 2MASS J16263433-1547326 b, Gaia DR3 4325505960880989952 b, EPIC 205686202 b, TIC 413753029 b, WISE J162634.31-154732.9 b
K2-289 b, 2MASS J16263433-1547326 b, Gaia DR3 4325505960880989952 b, EPIC 205686202 b, TIC 413753029 b, WISE J162634.31-154732.9 b
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Comparison
When comparing to the Solar system planets, K2-289 b has 51 % of mass of Saturn and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 883.71 | 59.64 | 48.6 | 441.85 | 0.15 | 0.51 | 3.33 | 2.83 |
|
Size | 23.77 | 9.58 | 9.1 | 17.17 | 0.81 | 1 | 2.28 | 2.4 |
|
Density | 0.07 | 0.07 | 0.06 | 0.09 | 0.29 | 0.51 | 0.28 | 0.21 |
|
Distance | 0.27 | 0.15 | 0.11 | 0.07 | 0.02 | 0.01 | 0.01 | 0 |
|
Temperature | 1.71 | 1.02 | 2.61 | 3.62 | 4.62 | 5.66 | 9.65 | 10.46 |