Exoplanet
K2-198 b
Orbiting K2-198
Overview
K2-198 b is an exoplanet orbiting the star K2-198, discovered in 2018 using the Transit method. It is a Neptune-sized world.
Key Measurements
Radius
4.19
Earth radii
015 R⊕
Mass (est.)
17.39
Earth masses
0500 M⊕
Orbital Period
17.0
days
0.1d10,000d
Distance
110.6
parsecs
Nearby10,000 pc
Equilibrium Temp
716
K
150 K3,500 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
Data Sources
Source ID: K2-198 b