Exoplanet
Kepler-421 b
Orbiting Kepler-421
Overview
Kepler-421 b is an exoplanet orbiting the star Kepler-421, discovered in 2014 using the Transit method. It is a Neptune-sized world.
Key Measurements
Radius
4.16
Earth radii
015 R⊕
Mass (est.)
17.19
Earth masses
0500 M⊕
Orbital Period
704.2
days
0.1d10,000d
Distance
348.6
parsecs
Nearby10,000 pc
Equilibrium Temp
185
K
150 K3,500 K
Radius (Earth radii)
4.16
Mass (Earth masses)
17.19
Estimated
Equilibrium Temperature
185 K
Orbital Period
704.20 days
Distance from Earth
348.6 pc (~1137 ly)
Spectral Type
G9/K0
Temperature
5308 K
Mass (Solar)
0.79 M☉
Radius (Solar)
0.76 R☉
Luminosity
-0.40 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
283.2568°, 45.0877°
Discovery Method
Transit
Discovery Year
2014
Data Sources
Source ID: Kepler-421 b