HD 81817 b · Asteria Star

Scientific overview

HD 81817 b is a gas giant orbiting HD 81817, completing an orbit every 1021 days, about 878 light-years from Earth. It was discovered in 2020 using the radial velocity method.

Host star

HR 3751

Spectral type

K3 III

Temperature

4,140 K

Mass

4.3 M☉

Planetary system — HD 81817 system

View the HD 81817 system (2 known planets).

Planet	Class	Radius (R⊕)	Period (d)	Distance (ly)
HD 81817 cRadial Velocity · 2022	Gas giant	12	623	878
HD 81817 bRadial Velocity · 2020	Gas giant	12	1021	878

Discovery and detection

Detection method

Radial Velocity Method

Discovery year

2020

Knowledge connections

OrbitsHR 3751
Member of systemHD 81817 system
Discovered by methodRadial Velocity Method
Catalogued inNASA Exoplanet Archive

Loading…