WD 0806-661 b

A confirmed exoplanet orbiting WD 0806-661.

Compared with Earth

Size
About 12 times Earth's width.
Mass
About 2,225 times Earth's mass.
Temperature
About 84 °C (183 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.

Planet

Radius
12.11 × Earth
Mass
2,225 × Earth
Density
Unknown
Equilibrium temperature
357 K
Starlight received
Unknown
Orbital period
Unknown
Average distance from its star
Unknown

Star

Host star
WD 0806-661
Spectral class
B — blue-white
Surface temperature
10,390 K
Radius
Unknown
Mass
0.605 × Sun
Age
1.6 billion years

System

Distance from Earth
62.77 light-years (19.24 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2011
Method
Imaging
Facility
Spitzer Space Telescope

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