K2-3 c
Orbiting K2-3
K2-3 c is an exoplanet orbiting the star K2-3, discovered in 2015 using the Transit method. It is a Super-Earth world.
Radius
1.58
Earth radii
Mass
2.68
Earth masses
Orbital Period
24.6
days
Distance
44.1
parsecs
Equilibrium Temp
372
K
Radius (Earth radii)
1.58
Mass (Earth masses)
2.68
Measured
Equilibrium Temperature
372 K
Parameter source: Diamond-Lowe et al. 2022
Orbital Period
24.647+0.000−0.000days
Semi-Major Axis
0.1357+0.0023−0.0022au
Planet Mass (Earth masses)
2.68+0.85−0.85
Planet Mass (Jupiter masses)
0.0084+0.0027−0.0027
Eccentricity
0.0480+0.0730−0.0350
Argument of Periastron
-180.0+100.0−110.0deg
Radial Velocity Semi-Amplitude
0.88+0.28−0.28m/s
Distance from Earth
44.1 pc (~144 ly)
Spectral Type
M V
Temperature
3844 K
Mass (Solar)
0.55 M☉
Radius (Solar)
0.55 R☉
Luminosity
-1.23 log L☉
Planets in System
3
Stars in System
1
Coordinates (RA, Dec)
172.3354°, -1.4551°
Discovery Method
Transit
Discovery Year
2015
Source ID: K2-3 c
K2-3 c orbits K2-3 and was reported in 2015 and was detected with the Transit method.
Published measurements list a radius of 1.58 Earth radii, a mass of 2.68 Earth masses, an orbital period of 24.65 days, and an equilibrium temperature near 372 K.
Catalog data places the system at about 44.1 parsecs from Earth, a host star classified as M V, and 3 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open K2-3