Finding Earth 2.0
17 Sco · K3 III

17 Sco b

Rank #3921 of the ranked catalogue · Discovered by Radial Velocity in 2020

HZ 0%M sin i

0.080

Earth-2.0 index

0.197

Earth Similarity Index

0%

Habitable-zone probability

12.90 R⊕

Radius

Planet

Mass1373.019 M⊕M sin i
Bulk density3.510 g/cm³
Orbital period578.3800 days
Semi-major axis1.45000 au
Eccentricity0.060
Incident flux85.432 S⊕
Equilibrium temperature772.8 K
Maximum angular separation11.60 masReflected-light contrast 1.37e-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

Host17 Sco
Spectral typeK3 III
Effective temperature4157 K
Radius25.920 R☉
Mass1.220 M☉
Distance125.0 pc / 407.5 ly
DiscoveryRadial Velocity, 2020