Exoplanet

HD 28109 c

Orbiting HD 28109

Overview

HD 28109 c is an exoplanet orbiting the star HD 28109, discovered in 2022 using the Transit method. It is a Neptune-sized world.

Key Measurements

Radius

4.13

Earth radii

015 R⊕

Mass

9.20

Earth masses

0500 M⊕

Orbital Period

56.0

days

0.1d10,000d

Distance

139.6

parsecs

Nearby10,000 pc

Equilibrium Temp

643

K

150 K3,500 K

Radius (Earth radii)

4.13

Mass (Earth masses)

9.20

Measured

Equilibrium Temperature

643 K

Orbital Period

56.00 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 c