HD 20794 b

A confirmed exoplanet orbiting HD 20794.

Compared with Earth

Mass
About 2.2 times Earth's mass.
Year
A year here lasts about 18 Earth days.

Planet

Radius
Unknown
Mass
2.15 × Earth
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
18.31 days
Average distance from its star
0.1257 AU

Star

Host star
HD 20794
Spectral class
G — sun-like
Surface temperature
5,368 K
Radius
0.93 × Sun
Mass
0.79 × Sun
Age
Unknown

System

Distance from Earth
19.58 light-years (6.003 parsecs)
Stars in system
1
Known planets
4

Discovery

Year
2011
Method
Radial Velocity
Facility
La Silla Observatory

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