Finding Earth 2.0
HD 20794 · G8

HD 20794 e

Rank #176 of the ranked catalogue · Discovered by Radial Velocity in 2017

HZ 0%M sin i

0.125

Earth-2.0 index

0.693

Earth Similarity Index

0%

Habitable-zone probability

2.03 R⊕

Radius

Planet

Mass4.770 M⊕M sin i
Bulk density3.130 g/cm³
Orbital period147.0200 days
Semi-major axis0.50900 au
Eccentricity0.290
Incident flux2.651 S⊕
Equilibrium temperature324.4 K
Maximum angular separation84.79 masReflected-light contrast 2.76e-9 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 coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 20794
Spectral typeG8
Effective temperature5401 K
Radius0.930 R☉
Mass0.813 M☉
Distance6.0 pc / 19.6 ly
DiscoveryRadial Velocity, 2017