K2-3 d
Orbiting K2-3
K2-3 d is an exoplanet orbiting the star K2-3, discovered in 2015 using the Transit method. It is a Earth-sized world.
Radius
1.46
Earth radii
Mass
2.20
Earth masses
Orbital Period
44.6
days
Distance
44.1
parsecs
Equilibrium Temp
305
K
Radius (Earth radii)
1.46
Mass (Earth masses)
2.20
Measured
Equilibrium Temperature
305 K
Parameter source: Diamond-Lowe et al. 2022
Orbital Period
44.556+0.000−0.000days
Semi-Major Axis
0.2014+0.0034−0.0033au
Planet Mass (Earth masses)
2.20
Planet Mass (Jupiter masses)
0.0069
Eccentricity
0.0910+0.1200−0.0640
Argument of Periastron
0.0+140.0−150.0deg
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 d
K2-3 d orbits K2-3 and was reported in 2015 and was detected with the Transit method.
Published measurements list a radius of 1.46 Earth radii, a mass of 2.2 Earth masses, an orbital period of 44.56 days, and an equilibrium temperature near 305 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