Exoplanet
GJ 1214 b
Orbiting GJ 1214
Overview
GJ 1214 b is an exoplanet orbiting the star GJ 1214, discovered in 2009 using the Transit method. It is a Mini-Neptune world.
Key Measurements
Radius
2.73
Earth radii
015 R⊕
Mass
8.41
Earth masses
0500 M⊕
Orbital Period
1.6
days
0.1d10,000d
Distance
14.6
parsecs
Nearby10,000 pc
Equilibrium Temp
567
K
150 K3,500 K
Radius (Earth radii)
2.73
Mass (Earth masses)
8.41
Measured
Equilibrium Temperature
567 K
Orbital Period
1.58 days
Distance from Earth
14.6 pc (~48 ly)
Spectral Type
Unknown
Temperature
3101 K
Mass (Solar)
0.18 M☉
Radius (Solar)
0.22 R☉
Luminosity
-2.41 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
258.8314°, 4.9607°
Discovery Method
Transit
Discovery Year
2009
Data Sources
Source ID: GJ 1214 b