HD 101581 b
Orbiting HIP 56998
HD 101581 b is an exoplanet orbiting the star HIP 56998, discovered in 2025 using the Transit method. It is a Earth-sized world.
Radius
0.96
Earth radii
Mass (est.)
0.83
Earth masses
Orbital Period
4.5
days
Distance
12.8
parsecs
Equilibrium Temp
834
K
Radius (Earth radii)
0.96
Mass (Earth masses)
0.83
Estimated
Equilibrium Temperature
834 K
Orbital Period
4.47 days
Distance from Earth
12.8 pc (~42 ly)
Spectral Type
Unknown
Temperature
4675 K
Mass (Solar)
0.65 M☉
Radius (Solar)
0.63 R☉
Luminosity
Unknown
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
175.2563°, -44.4041°
Discovery Method
Transit
Discovery Year
2025
Source ID: HD 101581 b
HD 101581 b orbits HIP 56998 and was reported in 2025 and was detected with the Transit method.
Published measurements list a radius of 0.96 Earth radii, a mass of 0.83 Earth masses (estimated), an orbital period of 4.47 days, and an equilibrium temperature near 834 K.
Catalog data places the system at about 12.8 parsecs from Earth and 2 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open HIP 56998More planets in this system