Finding Earth 2.0
HD 111998 · F6 V

HD 111998 b

Rank #274 of the ranked catalogue · Discovered by Radial Velocity in 2016

HZ 100%measured

0.121

Earth-2.0 index

0.518

Earth Similarity Index

100%

Habitable-zone probability

12.90 R⊕

Radius

Planet

Mass1525.576 M⊕measured
Bulk density3.910 g/cm³
Orbital period810.0000 days
Semi-major axis1.91000 au
Eccentricity0.130
Incident flux0.892 S⊕
Equilibrium temperature247.0 K
Maximum angular separation57.49 masReflected-light contrast 7.92e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 111998
Spectral typeF6 V
Effective temperature6557 K
Radius1.450 R☉
Mass1.400 M☉
Distance33.2 pc / 108.4 ly
DiscoveryRadial Velocity, 2016