CD Cet b
Orbiting CD Cet
CD Cet b is an exoplanet orbiting the star CD Cet, discovered in 2020 using the Radial Velocity method.
Minimum Mass (M sin i)
3.95
Earth masses
Orbital Period
2.3
days
Distance
8.6
parsecs
Equilibrium Temp
464
K
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
3.95
Radial-velocity minimum
Equilibrium Temperature
464 K
Parameter source: Bauer et al. 2020
Orbital Period
2.291+0.000−0.000days
Semi-Major Axis
0.0185+0.0013−0.0013au
M sin(i) (Earth masses)
3.95+0.42−0.43
M sin(i) (Jupiter masses)
0.0124+0.0013−0.0014
Epoch of Periastron
2458804.49+0.02−0.02days(JD)
Radial Velocity Semi-Amplitude
6.51+0.22−0.23m/s
Distance from Earth
8.6 pc (~28 ly)
Spectral Type
M5.0 V
Temperature
3130 K
Mass (Solar)
0.16 M☉
Radius (Solar)
0.17 R☉
Luminosity
-2.53 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
48.3530°, 4.7752°
Discovery Method
Radial Velocity
Discovery Year
2020
Source ID: CD Cet b
CD Cet b orbits CD Cet and was reported in 2020 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 3.95 Earth masses (M sin i), an orbital period of 2.29 days, and an equilibrium temperature near 464 K.
Catalog data places the system at about 8.6 parsecs from Earth, a host star classified as M5.0 V, 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 CD Cet