Finding Earth 2.0
GJ 720 A · M0.5 V

GJ 720 A b

Rank #668 of the ranked catalogue · Discovered by Radial Velocity in 2021

HZ 0%M sin i

0.111

Earth-2.0 index

0.493

Earth Similarity Index

0%

Habitable-zone probability

3.77 R⊕

Radius

Planet

Mass13.640 M⊕M sin i
Bulk density1.400 g/cm³
Orbital period19.4660 days
Semi-major axis0.11900 au
Eccentricity0.120
Incident flux4.285 S⊕
Equilibrium temperature365.7 K
Maximum angular separation7.65 masReflected-light contrast 1.74e-7 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 coverage75%0% median composite-to-default difference over shared parameters.

Host star & system

HostGJ 720 A
Spectral typeM0.5 V
Effective temperature3837 K
Radius0.560 R☉
Mass0.570 M☉
Distance15.6 pc / 50.7 ly
DiscoveryRadial Velocity, 2021