Finding Earth 2.0
HIP 90988 · K1 III

HIP 90988 b

Rank #1429 of the ranked catalogue · Discovered by Radial Velocity in 2021

HZ 0%M sin i

0.101

Earth-2.0 index

0.360

Earth Similarity Index

0%

Habitable-zone probability

13.40 R⊕

Radius

Planet

Mass668.075 M⊕M sin i
Bulk density1.530 g/cm³
Orbital period455.7382 days
Semi-major axis1.36000 au
Eccentricity0.081
Incident flux4.196 S⊕
Equilibrium temperature363.8 K
Maximum angular separation14.46 masReflected-light contrast 1.69e-8 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

HostHIP 90988
Spectral typeK1 III
Effective temperature4883 K
Radius3.940 R☉
Mass1.613 M☉
Distance94.0 pc / 306.7 ly
DiscoveryRadial Velocity, 2021