HD 30177 b

A confirmed exoplanet orbiting HD 30177.

Compared with Earth

Mass
About 2,622 times Earth's mass.
Year
A year here lasts about 7 Earth years.

Planet

Radius
Unknown
Mass
2,622 × Earth
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
2,539 days
Average distance from its star
3.49 AU

Star

Host star
HD 30177
Spectral class
G — sun-like
Surface temperature
5,680 K
Radius
Unknown
Mass
0.98 × Sun
Age
3.55 billion years

System

Distance from Earth
181.3 light-years (55.59 parsecs)
Stars in system
1
Known planets
2

Discovery

Year
2002
Method
Radial Velocity
Facility
Anglo-Australian Telescope

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