HD 64121 b
Orbiting HD 64121
HD 64121 b is an exoplanet orbiting the star HD 64121, discovered in 2022 using the Radial Velocity method.
Minimum Mass (M sin i)
813.64
Earth masses
Orbital Period
623.0
days
Distance
130.0
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
813.64
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Ottoni et al. 2022
Orbital Period
623.000+3.400−3.400days
Semi-Major Axis
1.5100+0.0060−0.0060au
M sin(i) (Earth masses)
813.64+60.39−60.39
M sin(i) (Jupiter masses)
2.5600+0.1900−0.1900
Eccentricity
0.1100+0.0700−0.0700
Epoch of Periastron
2455653.00+130.00−130.00days(BJD)
Argument of Periastron
2.7+56.0−56.0deg
Radial Velocity Semi-Amplitude
55.20+4.10−4.10m/s
Distance from Earth
130.0 pc (~424 ly)
Spectral Type
G8/K0 III
Temperature
5078 K
Mass (Solar)
1.64 M☉
Radius (Solar)
5.44 R☉
Luminosity
1.25 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
117.3651°, -54.8126°
Discovery Method
Radial Velocity
Discovery Year
2022
Source ID: HD 64121 b
HD 64121 b orbits HD 64121 and was reported in 2022 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 813.64 Earth masses (M sin i) and an orbital period of 623 days.
Catalog data places the system at about 130 parsecs from Earth, a host star classified as G8/K0 III, 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 HD 64121