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K2 138
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K2 138 c
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Exoplanet K2 138 c

Exoplanet K2 138 c orbits star K2 138 that lies 660 light years away from the Sun. It weighs about 6.3 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
660 light years

K2 138 c

Exoplanet, sub-neptune
Star: K2 138
icon distanceDistance from the star: 0.04461 AU
icon timeOrbit around star: 3.56004 days
icon timeEccentricity: 0.045

Basic characteristic

icon weightMass: 6.3 M Earth
icon radiusSize: 2.299 R Earth | 0.2 R Jupiter
icon densityDensity: 2859 kg/m3 | 52 % Earth
Comparison to the Solar system planets
icon massMass: Neptune (37 % Neptune mass)
icon radiusSize: Neptune (60 % Neptune radius)
icon massDensity: Mars (73 % Mars density)
icon distanceDistance: Mercury (11 % Mercury distance)
Other designations of this exoplanet
c
Exoplanets around star K2 138
Exoplanet K2 138 c orbits star Class orange star K2 138, which has lower mass than Sun. It is one of 6 known exoplanets orbiting this star.
K2 138 b
| 0.03 AU
K2 138 c
| 0.04 AU
K2 138 d
| 0.06 AU
K2 138 e
| 0.08 AU
K2 138 f
| 0.1 AU
K2 138 g
| 0.23 AU
Star K2 138
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