HD 20781 d

A confirmed exoplanet orbiting HD 20781.

Compared with Earth

Mass
About 11 times Earth's mass.
Year
A year here lasts about 29 Earth days.

Planet

Radius
Unknown
Mass
10.61 × Earth
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
29.16 days
Average distance from its star
0.1647 AU

Star

Host star
HD 20781
Spectral class
K — orange dwarf
Surface temperature
5,256 K
Radius
Unknown
Mass
0.7 × Sun
Age
Unknown

System

Distance from Earth
117.3 light-years (35.97 parsecs)
Stars in system
2
Known planets
5

Discovery

Year
2019
Method
Radial Velocity
Facility
La Silla Observatory

Data from the NASA Exoplanet Archive, synced October 14, 2026.