Exoplanet
TOI-521 b
Orbiting TOI-521
Overview
TOI-521 b is an exoplanet orbiting the star TOI-521, discovered in 2025 using the Transit method. It is a Super-Earth world.
Key Measurements
Radius
1.98
Earth radii
015 R⊕
Mass
5.30
Earth masses
0500 M⊕
Orbital Period
1.5
days
0.1d10,000d
Distance
60.9
parsecs
Nearby10,000 pc
Equilibrium Temp
794
K
150 K3,500 K
Radius (Earth radii)
1.98
Mass (Earth masses)
5.30
Measured
Equilibrium Temperature
794 K
Orbital Period
1.54 days
Distance from Earth
60.9 pc (~199 ly)
Spectral Type
M3
Temperature
3544 K
Mass (Solar)
0.42 M☉
Radius (Solar)
0.42 R☉
Luminosity
-1.60 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
123.3443°, 12.2221°
Discovery Method
Transit
Discovery Year
2025
Data Sources
Source ID: TOI-521 b