Exoplanet

HD 89345 b

Orbiting HD 89345

Overview

HD 89345 b is an exoplanet orbiting the star HD 89345, discovered in 2018 using the Transit method. It is a Neptune-sized world.

Key Measurements

Radius

7.40

Earth radii

015 R⊕

Mass

34.96

Earth masses

0500 M⊕

Orbital Period

11.8

days

0.1d10,000d

Distance

132.3

parsecs

Nearby10,000 pc

Equilibrium Temp

1089

K

150 K3,500 K

Radius (Earth radii)

7.40

Mass (Earth masses)

34.96

Measured

Equilibrium Temperature

1089 K

Orbital Period

11.81 days

Distance from Earth

132.3 pc (~432 ly)

Spectral Type

Unknown

Temperature

5576 K

Mass (Solar)

1.16 M☉

Radius (Solar)

1.75 R☉

Luminosity

0.42 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

154.6711°, 10.1288°

Discovery Method

Transit

Discovery Year

2018

Data Sources
NASA Exoplanet Archive

Source ID: HD 89345 b

System Context

HD 89345 b orbits HD 89345 and was reported in 2018 and was detected with the Transit method.

Published measurements list a radius of 7.4 Earth radii, a mass of 34.96 Earth masses, an orbital period of 11.81 days, and an equilibrium temperature near 1,089 K.

Catalog data places the system at about 132.3 parsecs from Earth 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 89345