Finding Earth 2.0
HD 89744 · F7 V

HD 89744 b

Rank #1734 of the ranked catalogue · Discovered by Radial Velocity in 1999

HZ 0%M sin i

0.098

Earth-2.0 index

0.345

Earth Similarity Index

0%

Habitable-zone probability

12.60 R⊕

Radius

Planet

Mass2653.881 M⊕M sin i
Bulk density7.290 g/cm³
Orbital period256.7800 days
Semi-major axis0.91700 au
Eccentricity0.677
Incident flux7.431 S⊕
Equilibrium temperature419.7 K
Maximum angular separation23.73 masReflected-light contrast 3.28e-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 coverage58%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 89744
Spectral typeF7 V
Effective temperature6291 K
Radius2.133 R☉
Mass1.860 M☉
Distance38.6 pc / 126.0 ly
DiscoveryRadial Velocity, 1999