TOI-1438 c
Orbiting TOI-1438
TOI-1438 c is an exoplanet orbiting the star TOI-1438, discovered in 2025 using the Transit method. It is a Mini-Neptune world.
Radius
2.75
Earth radii
Mass
10.60
Earth masses
Orbital Period
9.4
days
Distance
110.5
parsecs
Equilibrium Temp
794
K
Radius (Earth radii)
2.75
Mass (Earth masses)
10.60
Measured
Equilibrium Temperature
794 K
Parameter source: Persson et al. 2025
Orbital Period
9.428+0.000−0.000days
Semi-Major Axis
0.0830+0.0030−0.0030au
Planet Mass (Earth masses)
10.60+2.10−2.10
Planet Mass (Jupiter masses)
0.0334+0.0066−0.0066
Eccentricity
0.0000
Argument of Periastron
90.0deg
Radial Velocity Semi-Amplitude
3.50+0.70−0.70m/s
Distance from Earth
110.5 pc (~360 ly)
Spectral Type
K0 V
Temperature
5230 K
Mass (Solar)
0.88 M☉
Radius (Solar)
0.82 R☉
Luminosity
-0.35 log L☉
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
280.9238°, 74.9378°
Discovery Method
Transit
Discovery Year
2025
Source ID: TOI-1438 c
TOI-1438 c orbits TOI-1438 and was reported in 2025 and was detected with the Transit method.
Published measurements list a radius of 2.75 Earth radii, a mass of 10.6 Earth masses, an orbital period of 9.43 days, and an equilibrium temperature near 794 K.
Catalog data places the system at about 110.5 parsecs from Earth, a host star classified as K0 V, and 2 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open TOI-1438More planets in this system