Exoplanet
K2-189 b
Orbiting K2-189
Overview
K2-189 b is an exoplanet orbiting the star K2-189, discovered in 2018 using the Transit method. It is a Earth-sized world.
Key Measurements
Radius
1.40
Earth radii
015 R⊕
Mass (est.)
2.72
Earth masses
0500 M⊕
Orbital Period
2.6
days
0.1d10,000d
Distance
242.1
parsecs
Nearby10,000 pc
Equilibrium Temp
1203
K
150 K3,500 K
Radius (Earth radii)
1.40
Mass (Earth masses)
2.72
Estimated
Equilibrium Temperature
1203 K
Orbital Period
2.59 days
Distance from Earth
242.1 pc (~790 ly)
Spectral Type
Unknown
Temperature
5442 K
Mass (Solar)
0.85 M☉
Radius (Solar)
0.88 R☉
Luminosity
Unknown
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
203.6214°, -15.0365°
Discovery Method
Transit
Discovery Year
2018
Data Sources
Source ID: K2-189 b