K2-4 b
Orbiting K2-4
K2-4 b is an exoplanet orbiting the star K2-4, discovered in 2015 using the Transit method. It is a Super-Earth world.
Radius
2.10
Earth radii
Mass (est.)
5.39
Earth masses
Orbital Period
10.0
days
Distance
231.8
parsecs
Radius (Earth radii)
2.10
Mass (Earth masses)
5.39
Estimated
Equilibrium Temperature
Unknown
Parameter source: Dressing et al. 2017
Orbital Period
10.003+0.001−0.001days
Semi-Major Axis
0.0780+0.0030−0.0030au
Eccentricity
0.0800+0.1612−0.0686
Argument of Periastron
-41.4+132.9−99.0deg
Distance from Earth
231.8 pc (~756 ly)
Spectral Type
Unknown
Temperature
4015 K
Mass (Solar)
0.64 M☉
Radius (Solar)
0.57 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
174.7455°, -3.9056°
Discovery Method
Transit
Discovery Year
2015
Source ID: K2-4 b
K2-4 b orbits K2-4 and was reported in 2015 and was detected with the Transit method.
Published measurements list a radius of 2.1 Earth radii, a mass of 5.39 Earth masses (estimated), and an orbital period of 10 days.
Catalog data places the system at about 231.8 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 K2-4