TOI-451 d
Orbiting TOI-451
TOI-451 d is an exoplanet orbiting the star TOI-451, discovered in 2020 using the Transit method. It is a Mini-Neptune world.
Radius
3.93
Earth radii
Mass
10.20
Earth masses
Orbital Period
16.4
days
Distance
123.7
parsecs
Equilibrium Temp
714
K
Radius (Earth radii)
3.93
Mass (Earth masses)
10.20
Measured
Equilibrium Temperature
714 K
Parameter source: Barragán et al. 2026
Orbital Period
16.365+0.000−0.000days
Semi-Major Axis
0.1168+0.0072−0.0074au
Planet Mass (Earth masses)
10.20+4.60−4.50
Planet Mass (Jupiter masses)
0.0321+0.0145−0.0142
Eccentricity
0.0000
Argument of Periastron
90.0deg
Radial Velocity Semi-Amplitude
2.70+1.20−1.20m/s
Distance from Earth
123.7 pc (~404 ly)
Spectral Type
G8 V
Temperature
5490 K
Mass (Solar)
0.93 M☉
Radius (Solar)
0.85 R☉
Luminosity
-0.23 log L☉
Planets in System
3
Stars in System
2
Coordinates (RA, Dec)
62.9664°, -37.9397°
Discovery Method
Transit
Discovery Year
2020
Source ID: TOI-451 d
TOI-451 d orbits TOI-451 and was reported in 2020 and was detected with the Transit method.
Published measurements list a radius of 3.93 Earth radii, a mass of 10.2 Earth masses, an orbital period of 16.36 days, and an equilibrium temperature near 714 K.
Catalog data places the system at about 123.7 parsecs from Earth, a host star classified as G8 V, 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-451