TOI-220 b
Orbiting TOI-220
TOI-220 b is an exoplanet orbiting the star TOI-220, discovered in 2021 using the Transit method. It is a Mini-Neptune world.
Radius
3.03
Earth radii
Mass
13.80
Earth masses
Orbital Period
10.7
days
Distance
90.7
parsecs
Equilibrium Temp
805
K
Radius (Earth radii)
3.03
Mass (Earth masses)
13.80
Measured
Equilibrium Temperature
805 K
Parameter source: Hoyer et al. 2021
Orbital Period
10.695+0.000−0.000days
Semi-Major Axis
0.0891+0.0010−0.0010au
Planet Mass (Earth masses)
13.80+1.00−1.00
Planet Mass (Jupiter masses)
0.0434+0.0031−0.0031
Eccentricity
0.0320+0.0380−0.0230
Argument of Periastron
248.0+66.0−190.0deg
Radial Velocity Semi-Amplitude
4.56+0.32−0.32m/s
Distance from Earth
90.7 pc (~296 ly)
Spectral Type
K0 V
Temperature
5298 K
Mass (Solar)
0.82 M☉
Radius (Solar)
0.86 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
91.7997°, -61.9972°
Discovery Method
Transit
Discovery Year
2021
Source ID: TOI-220 b
TOI-220 b orbits TOI-220 and was reported in 2021 and was detected with the Transit method.
Published measurements list a radius of 3.03 Earth radii, a mass of 13.8 Earth masses, an orbital period of 10.7 days, and an equilibrium temperature near 805 K.
Catalog data places the system at about 90.7 parsecs from Earth, a host star classified as K0 V, and 1 known planet in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open TOI-220