18 Del b

A confirmed exoplanet orbiting 18 Del.

Compared with Earth

Mass
About 2,926 times Earth's mass.
Year
A year here lasts about 2.7 Earth years.

Planet

Radius
Unknown
Mass
2,926 × Earth
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
982.9 days
Average distance from its star
2.476 AU

Star

Host star
18 Del
Spectral class
K — orange dwarf
Surface temperature
4,980 K
Radius
8.8 × Sun
Mass
2.1 × Sun
Age
Unknown

System

Distance from Earth
248.6 light-years (76.22 parsecs)
Stars in system
2
Known planets
1

Discovery

Year
2008
Method
Radial Velocity
Facility
Okayama Astrophysical Observatory

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