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Extrasolar planet From Wikipedia, the free encyclopedia
K2-3c, also known as EPIC 201367065 c, is an exoplanet orbiting the red dwarf star K2-3 every 24 days. It is 143 light-years away.[3] It has a density of about 3.7 g/cm3, indicating that it could be an ocean world or a mini-Neptune. It is the second-smallest planet in the system by both radius and mass, with a mass almost three times that of Earth.[4]
Discovery[1] | |
---|---|
Discovery site | Kepler Space Observatory |
Discovery date | 2015 |
Transit | |
Orbital characteristics[2] | |
0.1357+0.0023 −0.0022 AU | |
Eccentricity | 0.048+0.073 −0.035 |
24.646729+0.000044 −0.000042 d | |
Inclination | 89.84°+0.11° −0.14° |
−180°+100° −110° | |
Semi-amplitude | 0.88±0.28 m/s |
Star | K2-3 |
Physical characteristics[2] | |
1.582+0.057 −0.051 R🜨 | |
Mass | 2.68±0.85 M🜨 |
Mean density | 3.7±1.2 g/cm3 |
Temperature | 371.8+3.8 −3.9 K (98.7 °C; 209.6 °F, equilibrium) |
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