TOI-561 d
Orbiting TOI-561
TOI-561 d is an exoplanet orbiting the star TOI-561, discovered in 2020 using the Transit method. It is a Mini-Neptune world.
Radius
2.62
Earth radii
Mass
13.33
Earth masses
Orbital Period
25.7
days
Distance
85.8
parsecs
Equilibrium Temp
600
K
Radius (Earth radii)
2.62
Mass (Earth masses)
13.33
Measured
Equilibrium Temperature
600 K
Parameter source: Piotto et al. 2024
Orbital Period
25.713+0.000−0.000days
Semi-Major Axis
0.1587+0.0024−0.0024au
Planet Mass (Earth masses)
13.33+0.98−0.98
Planet Mass (Jupiter masses)
0.0419+0.0031−0.0031
Eccentricity
0.1110+0.0500−0.0390
Argument of Periastron
-131.0+17.0−26.0deg
Radial Velocity Semi-Amplitude
3.36+0.22−0.22m/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 d
TOI-561 d orbits TOI-561 and was reported in 2020 and was detected with the Transit method.
Published measurements list a radius of 2.62 Earth radii, a mass of 13.33 Earth masses, an orbital period of 25.71 days, and an equilibrium temperature near 600 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