Exoplanet
HD 101581 b
Orbiting HIP 56998
Overview
HD 101581 b is an exoplanet orbiting the star HIP 56998, discovered in 2025 using the Transit method. It is a Earth-sized world.
Key Measurements
Radius
0.96
Earth radii
015 R⊕
Mass (est.)
0.83
Earth masses
0500 M⊕
Orbital Period
4.5
days
0.1d10,000d
Distance
12.8
parsecs
Nearby10,000 pc
Equilibrium Temp
834
K
150 K3,500 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
Data Sources
Source ID: HD 101581 b