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

System Context

HD 22946 d orbits HD 22946 and was reported in 2023 and was detected with the Transit method.

Published measurements list a radius of 2.61 Earth radii, a mass of 26.57 Earth masses, an orbital period of 47.42 days, and an equilibrium temperature near 546 K.

Catalog data places the system at about 62.8 parsecs from Earth and 3 known planets in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open HD 22946

More planets in this system

HD 22946 d