Exoplanet
HD 18438 b
Orbiting HD 18438
Overview
HD 18438 b is an exoplanet orbiting the star HD 18438, discovered in 2023 using the Radial Velocity method.
Key Measurements
Orbital Period
803.0
days
0.1d10,000d
Distance
224.1
parsecs
Nearby10,000 pc
Radius (Earth radii)
Unknown
Mass (Earth masses)
Unknown
Equilibrium Temperature
Unknown
Orbital Period
803.00 days
Distance from Earth
224.1 pc (~731 ly)
Spectral Type
M2.5 III
Temperature
3860 K
Mass (Solar)
1.84 M☉
Radius (Solar)
88.47 R☉
Luminosity
2.97 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
46.5318°, 79.4186°
Discovery Method
Radial Velocity
Discovery Year
2023
Data Sources
Source ID: HD 18438 b