Exoplanet
K2-21 c
Orbiting K2-21
Overview
K2-21 c is an exoplanet orbiting the star K2-21, discovered in 2015 using the Transit method. It is a Super-Earth world.
Key Measurements
Radius
2.49
Earth radii
015 R⊕
Mass (est.)
7.19
Earth masses
0500 M⊕
Orbital Period
15.5
days
0.1d10,000d
Distance
83.6
parsecs
Nearby10,000 pc
Radius (Earth radii)
2.49
Mass (Earth masses)
7.19
Estimated
Equilibrium Temperature
Unknown
Orbital Period
15.50 days
Distance from Earth
83.6 pc (~273 ly)
Spectral Type
Unknown
Temperature
4222 K
Mass (Solar)
0.68 M☉
Radius (Solar)
0.65 R☉
Luminosity
Unknown
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
340.3038°, -14.4893°
Discovery Method
Transit
Discovery Year
2015
Data Sources
Source ID: K2-21 c