HD 208487 b

A confirmed exoplanet orbiting HD 208487.

Compared with Earth

Mass
About 146 times Earth's mass.
Year
A year here lasts about 129 Earth days.

Planet

Radius
Unknown
Mass
146.2 × Earth
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
129.4 days
Average distance from its star
0.53 AU

Star

Host star
HD 208487
Spectral class
F — yellow-white
Surface temperature
6,134 K
Radius
1.16 × Sun
Mass
1.15 × Sun
Age
1.95 billion years

System

Distance from Earth
147.2 light-years (45.15 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2004
Method
Radial Velocity
Facility
Anglo-Australian Telescope

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