Kepler-21 b
Orbiting Kepler-21
Kepler-21 b is an exoplanet orbiting the star Kepler-21, discovered in 2012 using the Transit method. It is a Super-Earth world.
Radius
1.64
Earth radii
Mass
7.50
Earth masses
Orbital Period
2.8
days
Distance
108.5
parsecs
Equilibrium Temp
2015
K
Radius (Earth radii)
1.64
Mass (Earth masses)
7.50
Measured
Equilibrium Temperature
2015 K
Orbital Period
2.79 days
Distance from Earth
108.5 pc (~354 ly)
Spectral Type
Unknown
Temperature
6305 K
Mass (Solar)
1.41 M☉
Radius (Solar)
1.90 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
2
Coordinates (RA, Dec)
287.3620°, 38.7141°
Discovery Method
Transit
Discovery Year
2012
Source ID: Kepler-21 b
Kepler-21 b orbits Kepler-21 and was reported in 2012 and was detected with the Transit method.
Published measurements list a radius of 1.64 Earth radii, a mass of 7.5 Earth masses, an orbital period of 2.79 days, and an equilibrium temperature near 2,015 K.
Catalog data places the system at about 108.5 parsecs from Earth and 1 known planet in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open Kepler-21