Exoplanet
HD 22946 d
Orbiting HD 22946
Overview
HD 22946 d is an exoplanet orbiting the star HD 22946, discovered in 2023 using the Transit method. It is a Mini-Neptune world.
Key Measurements
Radius
2.61
Earth radii
015 R⊕
Mass
26.57
Earth masses
0500 M⊕
Orbital Period
47.4
days
0.1d10,000d
Distance
62.8
parsecs
Nearby10,000 pc
Equilibrium Temp
546
K
150 K3,500 K
Radius (Earth radii)
2.61
Mass (Earth masses)
26.57
Measured
Equilibrium Temperature
546 K
Orbital Period
47.42 days
Distance from Earth
62.8 pc (~205 ly)
Spectral Type
Unknown
Temperature
6169 K
Mass (Solar)
1.10 M☉
Radius (Solar)
1.12 R☉
Luminosity
Unknown
Planets in System
3
Stars in System
1
Coordinates (RA, Dec)
54.8195°, -42.7630°
Discovery Method
Transit
Discovery Year
2023
Data Sources
Source ID: HD 22946 d