Teegarden's Star c
Orbiting Teegarden's Star
Teegarden's Star c is an exoplanet orbiting the star Teegarden's Star, discovered in 2019 using the Radial Velocity method.
Minimum Mass (M sin i)
1.05
Earth masses
Orbital Period
11.4
days
Distance
3.8
parsecs
Equilibrium Temp
209
K
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
1.05
Radial-velocity minimum
Equilibrium Temperature
209 K
Parameter source: Dreizler et al. 2024
Orbital Period
11.416+0.003−0.003days
Semi-Major Axis
0.0455+0.0015−0.0016au
M sin(i) (Earth masses)
1.05+0.14−0.13
M sin(i) (Jupiter masses)
0.0033+0.0004−0.0004
Eccentricity
0.0400+0.0700−0.0300
Argument of Periastron
301.0+165.0−74.0deg
Radial Velocity Semi-Amplitude
1.43+0.16−0.15m/s
Distance from Earth
3.8 pc (~12 ly)
Spectral Type
Unknown
Temperature
3034 K
Mass (Solar)
0.10 M☉
Radius (Solar)
0.12 R☉
Luminosity
-3.14 log L☉
Planets in System
3
Stars in System
1
Coordinates (RA, Dec)
43.2691°, 16.8649°
Discovery Method
Radial Velocity
Discovery Year
2019
Source ID: Teegarden's Star c
Teegarden's Star c orbits Teegarden's Star and was reported in 2019 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 1.05 Earth masses (M sin i), an orbital period of 11.42 days, and an equilibrium temperature near 209 K.
Catalog data places the system at about 3.8 parsecs from Earth and 3 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open Teegarden's StarMore planets in this system