HD 56957 b
Orbiting HD 56957
HD 56957 b is an exoplanet orbiting the star HD 56957, discovered in 2022 using the Radial Velocity method.
Mass
1880.91
Earth masses
Orbital Period
5859.1
days
Distance
61.5
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
1880.91
Measured
Equilibrium Temperature
Unknown
Parameter source: Feng et al. 2022
Orbital Period
5859.090+2325.963−959.683days
Semi-Major Axis
6.4260+1.5640−0.8670au
Planet Mass (Earth masses)
1880.91+915.03−1279.58
Planet Mass (Jupiter masses)
5.9180+2.8790−4.0260
Eccentricity
0.2730+0.1780−0.1360
Epoch of Periastron
2448235.74+3813.57−1309.18days(BJD)
Argument of Periastron
38.3+92.9−74.2deg
Radial Velocity Semi-Amplitude
11.79+2.96−2.19m/s
Distance from Earth
61.5 pc (~201 ly)
Spectral Type
Unknown
Temperature
Unknown
Mass (Solar)
1.03 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
109.3254°, -40.6561°
Discovery Method
Radial Velocity
Discovery Year
2022
Source ID: HD 56957 b
HD 56957 b orbits HD 56957 and was reported in 2022 and was detected with the Radial Velocity method.
Published measurements list a mass of 1,880.91 Earth masses and an orbital period of 5,859.09 days.
Catalog data places the system at about 61.5 parsecs from Earth 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 56957