HIP 99770 b
Orbiting HIP 99770
HIP 99770 b is an exoplanet orbiting the star HIP 99770, discovered in 2023 using the Imaging method.
Mass
5403.08
Earth masses
Distance
40.1
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
5403.08
Measured
Equilibrium Temperature
Unknown
Parameter source: Winterhalder et al. 2025
Semi-Major Axis
15.8000+1.7000−1.0000au
Planet Mass (Earth masses)
5403.08+1906.97−1589.14
Planet Mass (Jupiter masses)
17.0000+6.0000−5.0000
Eccentricity
0.3100+0.0600−0.1200
Argument of Periastron
210.0+90.0−50.0deg
Distance from Earth
40.1 pc (~131 ly)
Spectral Type
Unknown
Temperature
Unknown
Mass (Solar)
1.90 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
303.6338°, 36.8066°
Discovery Method
Imaging
Discovery Year
2023
Source ID: HIP 99770 b
HIP 99770 b orbits HIP 99770 and was reported in 2023 and was detected with the Imaging method.
Published measurements list a mass of 5,403.08 Earth masses.
Catalog data places the system at about 40.1 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 99770