Exoplanet
GJ 143 b
Orbiting GJ 143
Overview
GJ 143 b is an exoplanet orbiting the star GJ 143, discovered in 2019 using the Transit method. It is a Mini-Neptune world.
Key Measurements
Radius
2.61
Earth radii
015 R⊕
Mass
22.70
Earth masses
0500 M⊕
Orbital Period
35.6
days
0.1d10,000d
Distance
16.3
parsecs
Nearby10,000 pc
Equilibrium Temp
422
K
150 K3,500 K
Radius (Earth radii)
2.61
Mass (Earth masses)
22.70
Measured
Equilibrium Temperature
422 K
Orbital Period
35.61 days
Distance from Earth
16.3 pc (~53 ly)
Spectral Type
K4.5
Temperature
4640 K
Mass (Solar)
0.73 M☉
Radius (Solar)
0.69 R☉
Luminosity
-0.69 log L☉
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
51.7502°, -63.5002°
Discovery Method
Transit
Discovery Year
2019
Data Sources
Source ID: GJ 143 b