Finding Earth 2.0
HIP 55507 · M0

HIP 55507 b

Rank #4093 of the ranked catalogue · Discovered by Radial Velocity in 2022

HZ 0%measured

0.079

Earth-2.0 index

0.156

Earth Similarity Index

0%

Habitable-zone probability

12.60 R⊕

Radius

Planet

Mass2585.534 M⊕measured
Bulk density7.100 g/cm³
Orbital period5138.4373 days
Semi-major axis5.06200 au
Eccentricity0.362
Incident flux0.006 S⊕
Equilibrium temperature69.5 K
Maximum angular separation198.59 masReflected-light contrast 1.08e-9 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 coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostHIP 55507
Spectral typeM0
Effective temperature4171 K
Radius0.724 R☉
Mass0.650 M☉
Distance25.5 pc / 83.1 ly
DiscoveryRadial Velocity, 2022