TOI-431 d
Orbiting TOI-431
TOI-431 d is an exoplanet orbiting the star TOI-431, discovered in 2021 using the Transit method. It is a Mini-Neptune world.
Radius
3.29
Earth radii
Mass
9.90
Earth masses
Orbital Period
12.5
days
Distance
32.6
parsecs
Equilibrium Temp
633
K
Radius (Earth radii)
3.29
Mass (Earth masses)
9.90
Measured
Equilibrium Temperature
633 K
Parameter source: Osborn et al. 2021
Orbital Period
12.461+0.000−0.000days
Semi-Major Axis
0.0980+0.0020−0.0020au
Planet Mass (Earth masses)
9.90+1.53−1.49
Planet Mass (Jupiter masses)
0.0311+0.0048−0.0047
Eccentricity
0.0000
Argument of Periastron
0.0deg
Radial Velocity Semi-Amplitude
3.16+0.46−0.46m/s
Distance from Earth
32.6 pc (~106 ly)
Spectral Type
Unknown
Temperature
4850 K
Mass (Solar)
0.78 M☉
Radius (Solar)
0.73 R☉
Luminosity
Unknown
Planets in System
3
Stars in System
1
Coordinates (RA, Dec)
83.2693°, -26.7239°
Discovery Method
Transit
Discovery Year
2021
Source ID: TOI-431 d
TOI-431 d orbits TOI-431 and was reported in 2021 and was detected with the Transit method.
Published measurements list a radius of 3.29 Earth radii, a mass of 9.9 Earth masses, an orbital period of 12.46 days, and an equilibrium temperature near 633 K.
Catalog data places the system at about 32.6 parsecs from Earth and 3 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open TOI-431