Exoplanet
TOI-421 b
Orbiting TOI-421
Overview
TOI-421 b is an exoplanet orbiting the star TOI-421, discovered in 2020 using the Transit method. It is a Mini-Neptune world.
Key Measurements
Radius
2.64
Earth radii
015 R⊕
Mass
6.70
Earth masses
0500 M⊕
Orbital Period
5.2
days
0.1d10,000d
Distance
74.8
parsecs
Nearby10,000 pc
Equilibrium Temp
922
K
150 K3,500 K
Radius (Earth radii)
2.64
Mass (Earth masses)
6.70
Measured
Equilibrium Temperature
922 K
Orbital Period
5.20 days
Distance from Earth
74.8 pc (~244 ly)
Spectral Type
G9 V
Temperature
5291 K
Mass (Solar)
0.83 M☉
Radius (Solar)
0.87 R☉
Luminosity
Unknown
Planets in System
2
Stars in System
2
Coordinates (RA, Dec)
81.8533°, -14.2767°
Discovery Method
Transit
Discovery Year
2020
Data Sources
Source ID: TOI-421 b