Exoplanet
HR 858 b
Orbiting HR 858
Overview
HR 858 b is an exoplanet orbiting the star HR 858, discovered in 2019 using the Transit method. It is a Super-Earth world.
Key Measurements
Radius
2.00
Earth radii
015 R⊕
Mass
3.55
Earth masses
0500 M⊕
Orbital Period
3.6
days
0.1d10,000d
Distance
32.0
parsecs
Nearby10,000 pc
Equilibrium Temp
1552
K
150 K3,500 K
Radius (Earth radii)
2.00
Mass (Earth masses)
3.55
Measured
Equilibrium Temperature
1552 K
Orbital Period
3.59 days
Distance from Earth
32.0 pc (~104 ly)
Spectral Type
Unknown
Temperature
6354 K
Mass (Solar)
1.20 M☉
Radius (Solar)
1.26 R☉
Luminosity
0.36 log L☉
Planets in System
3
Stars in System
2
Coordinates (RA, Dec)
42.9850°, -30.8141°
Discovery Method
Transit
Discovery Year
2019
Data Sources
Source ID: HR 858 b