Exoplanet

HD 18599 b

Orbiting HD 18599

Overview

HD 18599 b is an exoplanet orbiting the star HD 18599, discovered in 2022 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

2.60

Earth radii

015 R⊕

Mass

24.10

Earth masses

0500 M⊕

Orbital Period

4.1

days

0.1d10,000d

Distance

38.6

parsecs

Nearby10,000 pc

Radius (Earth radii)

2.60

Mass (Earth masses)

24.10

Measured

Equilibrium Temperature

Unknown

Orbital Period

4.14 days

Distance from Earth

38.6 pc (~126 ly)

Spectral Type

K2 V

Temperature

5145 K

Mass (Solar)

0.86 M☉

Radius (Solar)

0.77 R☉

Luminosity

-0.43 log L☉

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

44.2620°, -56.1919°

Discovery Method

Transit

Discovery Year

2022

Data Sources
NASA Exoplanet Archive

Source ID: HD 18599 b

System Context

HD 18599 b orbits HD 18599 and was reported in 2022 and was detected with the Transit method.

Published measurements list a radius of 2.6 Earth radii, a mass of 24.1 Earth masses, and an orbital period of 4.14 days.

Catalog data places the system at about 38.6 parsecs from Earth, a host star classified as K2 V, and 1 known planet in the system.

Host star

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

Open HD 18599