HIP 56640 b
Orbiting HIP 56640
HIP 56640 b is an exoplanet orbiting the star HIP 56640, discovered in 2021 using the Radial Velocity method.
Mass
2151.70
Earth masses
Orbital Period
2675.6
days
Distance
122.3
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
2151.70
Measured
Equilibrium Temperature
Unknown
Parameter source: Feng et al. 2022
Orbital Period
2675.576+183.354−108.298days
Semi-Major Axis
4.5500+0.2210−0.1500au
Planet Mass (Earth masses)
2151.70+590.84−385.53
Planet Mass (Jupiter masses)
6.7700+1.8590−1.2130
Eccentricity
0.1180+0.0620−0.0760
Epoch of Periastron
2454396.52+216.02−1183.44days(BJD)
Argument of Periastron
111.5+47.2−51.5deg
Radial Velocity Semi-Amplitude
53.45+3.51−2.72m/s
Distance from Earth
122.3 pc (~399 ly)
Spectral Type
Unknown
Temperature
Unknown
Mass (Solar)
1.75 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
174.2009°, -37.0391°
Discovery Method
Radial Velocity
Discovery Year
2021
Source ID: HIP 56640 b
HIP 56640 b orbits HIP 56640 and was reported in 2021 and was detected with the Radial Velocity method.
Published measurements list a mass of 2,151.7 Earth masses and an orbital period of 2,675.58 days.
Catalog data places the system at about 122.3 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 HIP 56640