Finding Earth 2.0
18 Del · G6 III

18 Del b

Rank #1803 of the ranked catalogue · Discovered by Radial Velocity in 2008

HZ 0%M sin i

0.098

Earth-2.0 index

0.339

Earth Similarity Index

0%

Habitable-zone probability

12.50 R⊕

Radius

Planet

Mass2926.246 M⊕M sin i
Bulk density8.230 g/cm³
Orbital period982.8500 days
Semi-major axis2.47600 au
Eccentricity0.024
Incident flux7.017 S⊕
Equilibrium temperature413.7 K
Maximum angular separation32.48 masReflected-light contrast 4.42e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

Host18 Del
Spectral typeG6 III
Effective temperature4980 K
Radius8.800 R☉
Mass2.100 M☉
Distance76.2 pc / 248.6 ly
DiscoveryRadial Velocity, 2008