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AsteriaStar
Mini-Neptune · K2-18

K2-18 c

ExoplanetsDiscovered 2017

Scientific overview

K2-18 c is a mini-neptune orbiting K2-18, completing an orbit every 9 days, about 124 light-years from Earth. It was discovered in 2017 using the radial velocity method.

Host star

Host star
K2-18
Spectral type
M2.5 V
Temperature
3,457 K
Mass
0.359 M☉

Planetary system — K2-18 system

View the K2-18 system (2 known planets).

PlanetRadius (R⊕)Period (d)
K2-18 cRadial Velocity · 20172.658.962
K2-18 bTransit · 20152.3732.9396

Discovery and detection

Knowledge connections