TOI-1203 c
Orbiting TOI-1203
TOI-1203 c is an exoplanet orbiting the star TOI-1203, discovered in 2025 using the Radial Velocity method.
Minimum Mass (M sin i)
5.46
Earth masses
Orbital Period
13.1
days
Distance
65.0
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
5.46
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Gandolfi et al. 2025
Orbital Period
13.077+0.008−0.007days
M sin(i) (Earth masses)
5.46+0.51−0.50
M sin(i) (Jupiter masses)
0.0172+0.0016−0.0016
Eccentricity
0.0920+0.0810−0.0630
Epoch of Periastron
2459201.10+1.98−2.92days(BJD-TDB)
Argument of Periastron
172.8+68.7−59.6deg
Radial Velocity Semi-Amplitude
1.62+0.14−0.14m/s
Distance from Earth
65.0 pc (~212 ly)
Spectral Type
G3 V
Temperature
5737 K
Mass (Solar)
0.89 M☉
Radius (Solar)
1.18 R☉
Luminosity
Unknown
Planets in System
4
Stars in System
1
Coordinates (RA, Dec)
168.2267°, -34.4069°
Discovery Method
Radial Velocity
Discovery Year
2025
Source ID: TOI-1203 c
TOI-1203 c orbits TOI-1203 and was reported in 2025 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 5.46 Earth masses (M sin i) and an orbital period of 13.08 days.
Catalog data places the system at about 65 parsecs from Earth, a host star classified as G3 V, and 4 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open TOI-1203More planets in this system