TOI-1231 b
Orbiting TOI-1231
TOI-1231 b is an exoplanet orbiting the star TOI-1231, discovered in 2021 using the Transit method. It is a Mini-Neptune world.
Radius
3.65
Earth radii
Mass
15.40
Earth masses
Orbital Period
24.2
days
Distance
27.6
parsecs
Equilibrium Temp
330
K
Radius (Earth radii)
3.65
Mass (Earth masses)
15.40
Measured
Equilibrium Temperature
330 K
Parameter source: Burt et al. 2021
Orbital Period
24.246+0.000−0.000days
Semi-Major Axis
0.1288+0.0021−0.0022au
Planet Mass (Earth masses)
15.40+3.30−3.30
Planet Mass (Jupiter masses)
0.0485+0.0104−0.0104
Eccentricity
0.0870+0.1200−0.0610
Epoch of Periastron
2458543.70+4.80−6.30days(BJD-TDB)
Argument of Periastron
176.0+81.0−90.0deg
Radial Velocity Semi-Amplitude
5.60+1.20−1.20m/s
Distance from Earth
27.6 pc (~90 ly)
Spectral Type
M3 V
Temperature
3553 K
Mass (Solar)
0.48 M☉
Radius (Solar)
0.48 R☉
Luminosity
-1.49 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
156.7473°, -52.4679°
Discovery Method
Transit
Discovery Year
2021
Source ID: TOI-1231 b
TOI-1231 b orbits TOI-1231 and was reported in 2021 and was detected with the Transit method.
Published measurements list a radius of 3.65 Earth radii, a mass of 15.4 Earth masses, an orbital period of 24.25 days, and an equilibrium temperature near 330 K.
Catalog data places the system at about 27.6 parsecs from Earth, a host star classified as M3 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-1231