K2-38 b
Orbiting K2-38
K2-38 b is an exoplanet orbiting the star K2-38, discovered in 2016 using the Transit method. It is a Super-Earth world.
Radius
1.54
Earth radii
Mass
7.30
Earth masses
Orbital Period
4.0
days
Distance
192.7
parsecs
Equilibrium Temp
1266
K
Radius (Earth radii)
1.54
Mass (Earth masses)
7.30
Measured
Equilibrium Temperature
1266 K
Parameter source: Toledo-Padrón et al. 2020
Orbital Period
4.016+0.001−0.001days
Semi-Major Axis
0.0499+0.0005−0.0005au
Planet Mass (Earth masses)
7.30+1.10−1.00
Planet Mass (Jupiter masses)
0.0230+0.0035−0.0031
Eccentricity
0.1970+0.0670−0.0600
Argument of Periastron
16.0+25.0−33.0deg
Radial Velocity Semi-Amplitude
2.95+0.44−0.39m/s
Distance from Earth
192.7 pc (~628 ly)
Spectral Type
G2 V
Temperature
5731 K
Mass (Solar)
1.03 M☉
Radius (Solar)
1.06 R☉
Luminosity
0.04 log L☉
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
240.0333°, -23.1894°
Discovery Method
Transit
Discovery Year
2016
Source ID: K2-38 b
K2-38 b orbits K2-38 and was reported in 2016 and was detected with the Transit method.
Published measurements list a radius of 1.54 Earth radii, a mass of 7.3 Earth masses, an orbital period of 4.02 days, and an equilibrium temperature near 1,266 K.
Catalog data places the system at about 192.7 parsecs from Earth, a host star classified as G2 V, and 2 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open K2-38More planets in this system