TOI-4994 b
Orbiting TOI-4994
TOI-4994 b is an exoplanet orbiting the star TOI-4994, discovered in 2024 using the Transit method. It is a Neptune-sized world.
Radius
8.54
Earth radii
Mass
88.99
Earth masses
Orbital Period
21.5
days
Distance
329.3
parsecs
Equilibrium Temp
718
K
Radius (Earth radii)
8.54
Mass (Earth masses)
88.99
Measured
Equilibrium Temperature
718 K
Parameter source: Rodríguez Martínez et al. 2025
Orbital Period
21.492+0.000−0.000days
Semi-Major Axis
0.1515+0.0032−0.0031au
Planet Mass (Earth masses)
88.99+11.76−10.81
Planet Mass (Jupiter masses)
0.2800+0.0370−0.0340
Eccentricity
0.3190+0.0480−0.0470
Epoch of Periastron
2459343.85+0.38−0.35days(BJD-TDB)
Argument of Periastron
143.1+9.5−10.0deg
Radial Velocity Semi-Amplitude
21.60+2.30−2.40m/s
Distance from Earth
329.3 pc (~1074 ly)
Spectral Type
Unknown
Temperature
5640 K
Mass (Solar)
1.00 M☉
Radius (Solar)
1.05 R☉
Luminosity
0.01 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
283.1325°, -78.4344°
Discovery Method
Transit
Discovery Year
2024
Source ID: TOI-4994 b
TOI-4994 b orbits TOI-4994 and was reported in 2024 and was detected with the Transit method.
Published measurements list a radius of 8.54 Earth radii, a mass of 88.99 Earth masses, an orbital period of 21.49 days, and an equilibrium temperature near 718 K.
Catalog data places the system at about 329.3 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-4994