HIP 65891 b
Orbiting HIP 65891
HIP 65891 b is an exoplanet orbiting the star HIP 65891, discovered in 2015 using the Radial Velocity method.
Mass
1938.75
Earth masses
Orbital Period
1089.6
days
Distance
150.3
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
1938.75
Measured
Equilibrium Temperature
Unknown
Parameter source: Piccinini et al. 2026
Orbital Period
1089.600+22.800−22.000days
Semi-Major Axis
2.8200+0.0900−0.0900au
Planet Mass (Earth masses)
1938.75+413.18−413.18
Planet Mass (Jupiter masses)
6.1000+1.3000−1.3000
Eccentricity
0.0900+0.0500−0.0500
Epoch of Periastron
2458220.90+87.80−73.20days(BJD)
Argument of Periastron
363.8+24.6−18.5deg
Radial Velocity Semi-Amplitude
65.70+2.50−2.40m/s
Distance from Earth
150.3 pc (~490 ly)
Spectral Type
K0 III
Temperature
5000 K
Mass (Solar)
2.50 M☉
Radius (Solar)
8.93 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
202.6051°, -58.6644°
Discovery Method
Radial Velocity
Discovery Year
2015
Source ID: HIP 65891 b
HIP 65891 b orbits HIP 65891 and was reported in 2015 and was detected with the Radial Velocity method.
Published measurements list a mass of 1,938.75 Earth masses and an orbital period of 1,089.6 days.
Catalog data places the system at about 150.3 parsecs from Earth, a host star classified as 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 HIP 65891