Exoplanet
TOI-1221 b
Orbiting TOI-1221
Overview
TOI-1221 b is an exoplanet orbiting the star TOI-1221, discovered in 2023 using the Transit method. It is a Mini-Neptune world.
Key Measurements
Radius
2.91
Earth radii
015 R⊕
Mass
1112.40
Earth masses
0500 M⊕
Orbital Period
91.7
days
0.1d10,000d
Distance
138.4
parsecs
Nearby10,000 pc
Equilibrium Temp
440
K
150 K3,500 K
Radius (Earth radii)
2.91
Mass (Earth masses)
1112.40
Measured
Equilibrium Temperature
440 K
Orbital Period
91.68 days
Distance from Earth
138.4 pc (~451 ly)
Spectral Type
Unknown
Temperature
5592 K
Mass (Solar)
0.93 M☉
Radius (Solar)
1.03 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
107.9210°, -65.5089°
Discovery Method
Transit
Discovery Year
2023
Data Sources
Source ID: TOI-1221 b