Exoplanet
HD 28109 b
Orbiting HD 28109
Overview
HD 28109 b is an exoplanet orbiting the star HD 28109, discovered in 2022 using the Transit method. It is a Mini-Neptune world.
Key Measurements
Radius
2.69
Earth radii
015 R⊕
Mass
6.20
Earth masses
0500 M⊕
Orbital Period
22.9
days
0.1d10,000d
Distance
139.6
parsecs
Nearby10,000 pc
Equilibrium Temp
867
K
150 K3,500 K
Radius (Earth radii)
2.69
Mass (Earth masses)
6.20
Measured
Equilibrium Temperature
867 K
Orbital Period
22.89 days
Distance from Earth
139.6 pc (~455 ly)
Spectral Type
F8
Temperature
6189 K
Mass (Solar)
1.23 M☉
Radius (Solar)
1.43 R☉
Luminosity
0.43 log L☉
Planets in System
3
Stars in System
1
Coordinates (RA, Dec)
65.2383°, -68.1027°
Discovery Method
Transit
Discovery Year
2022
Data Sources
Source ID: HD 28109 b