Finding Earth 2.0
HIP 66074

HIP 66074 b

Rank #782 of the ranked catalogue · Discovered by Astrometry in 2023

HZ 7%measured

0.109

Earth-2.0 index

0.399

Earth Similarity Index

7%

Habitable-zone probability

12.90 R⊕

Radius

Planet

Mass1589.142 M⊕measured
Bulk density4.070 g/cm³
Orbital period310.9000 days
Semi-major axis0.79900 au
Eccentricity0.948
Incident flux0.238 S⊕
Equilibrium temperature177.6 K
Maximum angular separation22.54 masReflected-light contrast 4.52e-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

HostHIP 66074
Spectral typeK
Effective temperature4300 K
Radius0.690 R☉
Mass0.705 M☉
Distance35.4 pc / 115.6 ly
DiscoveryAstrometry, 2023