HD 18438 b · Asteria Star

Scientific overview

HD 18438 b is a gas giant orbiting HD 18438, completing an orbit every 803 days, about 731 light-years from Earth. It was discovered in 2023 using the radial velocity method.

Host star

HR 881

Spectral type

M2.5 III

Temperature

3,860 K

Mass

1.84 M☉

Discovery and detection

Detection method

Radial Velocity Method

Discovery year

2023

Knowledge connections

OrbitsHR 881
Discovered by methodRadial Velocity Method
Catalogued inNASA Exoplanet Archive

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