TOI-954 b
Orbiting TOI-954
TOI-954 b is an exoplanet orbiting the star TOI-954, discovered in 2020 using the Transit method. It is a Neptune-sized world.
Radius
9.55
Earth radii
Mass
55.30
Earth masses
Orbital Period
3.7
days
Distance
238.8
parsecs
Equilibrium Temp
1526
K
Radius (Earth radii)
9.55
Mass (Earth masses)
55.30
Measured
Equilibrium Temperature
1526 K
Parameter source: Sha et al. 2021
Orbital Period
3.685+0.000−0.000days
Semi-Major Axis
0.0496+0.0009−0.0009au
Planet Mass (Earth masses)
55.30+5.72−5.40
Planet Mass (Jupiter masses)
0.1740+0.0180−0.0170
Eccentricity
0.1400+0.1800−0.1100
Argument of Periastron
276.0+9.0−174.0deg
Radial Velocity Semi-Amplitude
20.70+2.00−1.90m/s
Distance from Earth
238.8 pc (~779 ly)
Spectral Type
Unknown
Temperature
5710 K
Mass (Solar)
1.20 M☉
Radius (Solar)
1.89 R☉
Luminosity
0.54 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
61.9411°, -25.2088°
Discovery Method
Transit
Discovery Year
2020
Source ID: TOI-954 b
TOI-954 b orbits TOI-954 and was reported in 2020 and was detected with the Transit method.
Published measurements list a radius of 9.55 Earth radii, a mass of 55.3 Earth masses, an orbital period of 3.68 days, and an equilibrium temperature near 1,526 K.
Catalog data places the system at about 238.8 parsecs from Earth 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-954