Exoplanet Catalog
HD 18438 b
HD 18438 b is a gas giant exoplanet that orbits an M-type star. Its mass is 21 Jupiters, it takes 2.2 years to complete one orbit of its star, and is 2.1 AU from its star. Its discovery was announced in 2023.
PLANET TYPE
Gas Giant
|
DISCOVERY DATE
2023
|
MASS
21 Jupiters
|
PLANET RADIUS
1.08 x Jupiter
(estimate) |
ORBITAL RADIUS
2.1 AU
|
ORBITAL PERIOD
2.2 years
|
ECCENTRICITY
0.1
|
DETECTION METHOD
|