HD 180617 · M2.5 V
HD 180617 b
Rank #480 of the ranked catalogue · Discovered by Radial Velocity in 2018
HZ 100%M sin i
0.115
Earth-2.0 index
0.524
Earth Similarity Index
100%
Habitable-zone probability
3.53 R⊕
Radius
Planet
Mass12.214 M⊕M sin i
Bulk density1.530 g/cm³
Orbital period105.9110 days
Semi-major axis0.34300 au
Eccentricity0.101
Incident flux0.275 S⊕
Equilibrium temperature184.1 K
Maximum angular separation58.03 masReflected-light contrast 1.84e-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 180617
Spectral typeM2.5 V
Effective temperature3534 K
Radius0.481 R☉
Mass0.484 M☉
Distance5.9 pc / 19.3 ly
DiscoveryRadial Velocity, 2018