24 Boo b

A confirmed exoplanet orbiting 24 Boo.

Compared with Earth

Mass
About 281 times Earth's mass.
Year
A year here lasts about 30 Earth days.

Planet

Radius
Unknown
Mass
280.6 × Earth
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
30.33 days
Average distance from its star
0.194 AU

Star

Host star
24 Boo
Spectral class
K — orange dwarf
Surface temperature
4,816 K
Radius
12.19 × Sun
Mass
1.05 × Sun
Age
Unknown

System

Distance from Earth
313.1 light-years (95.99 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2018
Method
Radial Velocity
Facility
Okayama Astrophysical Observatory

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