K2-198 b
Orbiting K2-198
K2-198 b is an exoplanet orbiting the star K2-198, discovered in 2018 using the Transit method. It is a Neptune-sized world.
Radius
4.19
Earth radii
Mass (est.)
17.39
Earth masses
Orbital Period
17.0
days
Distance
110.6
parsecs
Equilibrium Temp
716
K
Radius (Earth radii)
4.19
Mass (Earth masses)
17.39
Estimated
Equilibrium Temperature
716 K
Orbital Period
17.04 days
Distance from Earth
110.6 pc (~361 ly)
Spectral Type
Unknown
Temperature
5213 K
Mass (Solar)
0.80 M☉
Radius (Solar)
0.76 R☉
Luminosity
Unknown
Planets in System
3
Stars in System
1
Coordinates (RA, Dec)
198.8437°, -6.4650°
Discovery Method
Transit
Discovery Year
2018
Source ID: K2-198 b
K2-198 b orbits K2-198 and was reported in 2018 and was detected with the Transit method.
Published measurements list a radius of 4.19 Earth radii, a mass of 17.39 Earth masses (estimated), an orbital period of 17.04 days, and an equilibrium temperature near 716 K.
Catalog data places the system at about 110.6 parsecs from Earth 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 K2-198