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Exoplanet K2-261 b
Exoplanet K2-261 b orbits star K2-261 that lies 701 light years away from the Sun.
It weighs about 70.893 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
701 light years
701 light years
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K2-261 b
Exoplanet
Star: K2-261
Distance from the star: 0.102 AU
Orbit around star: 11.63344 days
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Orbital period
Orbital period of exoplanet K2-261 b around its star is 11.63344 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
Eccentricity: 0.42Basic characteristic
Mass: 70.893 M Earth
| 0.2231 M Jupiter
Exoplanet mass
Exoplanet K2-261 b has 70.893 Earth masses (or 0.2231 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: 9.528 R Earth | 0.9 R Jupiter
Density: 452 kg/m3 | 8.20 % Earth
Temperature: 1080 K | 806.85 °C
Year of discovery: 2018 (transit)
Other designations of this exoplanet
EPIC 201498078 b, 2MASS J10520778+0029359 b
EPIC 201498078 b, 2MASS J10520778+0029359 b
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Comparison
When comparing to the Solar system planets, K2-261 b has 74 % of mass of Saturn and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 1288.96 | 86.99 | 70.89 | 644.48 | 0.22 | 0.74 | 4.86 | 4.12 |
|
Size | 24.88 | 10.03 | 9.53 | 17.98 | 0.85 | 1.05 | 2.38 | 2.51 |
|
Density | 0.08 | 0.09 | 0.08 | 0.11 | 0.36 | 0.65 | 0.36 | 0.26 |
|
Distance | 0.26 | 0.14 | 0.1 | 0.07 | 0.02 | 0.01 | 0.01 | 0 |
|
Temperature | 2.45 | 1.47 | 3.75 | 5.19 | 6.63 | 8.12 | 13.85 | 15 |
Habitability
Habitable zone of the star: 1.6 - 2.4 AU
The planet is too hot to sustain liquid water.