Finding Earth 2.0
HD 99283 · K0 III

HD 99283 b

Rank #4408 of the ranked catalogue · Discovered by Radial Velocity in 2021

HZ 0%M sin i

0.075

Earth-2.0 index

0.171

Earth Similarity Index

0%

Habitable-zone probability

13.80 R⊕

Radius

Planet

Mass308.294 M⊕M sin i
Bulk density0.645 g/cm³
Orbital period310.4000 days
Semi-major axis1.08000 au
Eccentricity0.200
Incident flux55.307 S⊕
Equilibrium temperature693.2 K
Maximum angular separation9.72 masReflected-light contrast 2.83e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources3 · 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

HostHD 99283
Spectral typeK0 III
Effective temperature4886 K
Radius11.210 R☉
Mass1.760 M☉
Distance111.1 pc / 362.3 ly
DiscoveryRadial Velocity, 2021