K2-123 b
Orbiting K2-123
K2-123 b is an exoplanet orbiting the star K2-123, discovered in 2017 using the Transit method. It is a Mini-Neptune world.
Radius
2.76
Earth radii
Mass (est.)
8.56
Earth masses
Orbital Period
31.0
days
Distance
161.6
parsecs
Equilibrium Temp
338
K
Radius (Earth radii)
2.76
Mass (Earth masses)
8.56
Estimated
Equilibrium Temperature
338 K
Parameter source: Livingston et al. 2018
Orbital Period
30.952+0.004−0.003days
Semi-Major Axis
0.1649+0.0008−0.0008au
Distance from Earth
161.6 pc (~527 ly)
Spectral Type
Unknown
Temperature
4035 K
Mass (Solar)
0.62 M☉
Radius (Solar)
0.59 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
134.4441°, 21.4533°
Discovery Method
Transit
Discovery Year
2017
Source ID: K2-123 b
K2-123 b orbits K2-123 and was reported in 2017 and was detected with the Transit method.
Published measurements list a radius of 2.76 Earth radii, a mass of 8.56 Earth masses (estimated), an orbital period of 30.95 days, and an equilibrium temperature near 338 K.
Catalog data places the system at about 161.6 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 K2-123