TOI-561 c
Orbiting TOI-561
TOI-561 c is an exoplanet orbiting the star TOI-561, discovered in 2020 using the Transit method. It is a Mini-Neptune world.
Radius
2.87
Earth radii
Mass
5.93
Earth masses
Orbital Period
10.8
days
Distance
85.8
parsecs
Equilibrium Temp
802
K
Radius (Earth radii)
2.87
Mass (Earth masses)
5.93
Measured
Equilibrium Temperature
802 K
Parameter source: Piotto et al. 2024
Orbital Period
10.779+0.000−0.000days
Semi-Major Axis
0.0889+0.0013−0.0013au
Planet Mass (Earth masses)
5.93+0.67−0.67
Planet Mass (Jupiter masses)
0.0187+0.0021−0.0021
Eccentricity
0.0230+0.0340−0.0170
Argument of Periastron
219.0+87.0−149.0deg
Radial Velocity Semi-Amplitude
1.98+0.21−0.21m/s
Distance from Earth
85.8 pc (~280 ly)
Spectral Type
Unknown
Temperature
Unknown
Mass (Solar)
0.81 M☉
Radius (Solar)
0.84 R☉
Luminosity
Unknown
Planets in System
4
Stars in System
1
Coordinates (RA, Dec)
148.1852°, 6.2161°
Discovery Method
Transit
Discovery Year
2020
Source ID: TOI-561 c
TOI-561 c orbits TOI-561 and was reported in 2020 and was detected with the Transit method.
Published measurements list a radius of 2.87 Earth radii, a mass of 5.93 Earth masses, an orbital period of 10.78 days, and an equilibrium temperature near 802 K.
Catalog data places the system at about 85.8 parsecs from Earth and 4 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open TOI-561