Oph 11 b

A confirmed exoplanet orbiting Oph 11.

Compared with Earth

Mass
About 4,450 times Earth's mass.
Temperature
About 1,902 °C (3,455 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 19,986 Earth years.

Planet

Radius
Unknown
Mass
4,450 × Earth
Density
Unknown
Equilibrium temperature
2,175 K
Starlight received
Unknown
Orbital period
7,300,000 days
Average distance from its star
243 AU

Star

Host star
Oph 11
Spectral class
M — red dwarf
Surface temperature
2,375 K
Radius
Unknown
Mass
0.016 × Sun
Age
5 billion years

System

Distance from Earth
Unknown
Stars in system
1
Known planets
1

Discovery

Year
2006
Method
Imaging
Facility
Gemini Observatory

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