Finding Earth 2.0
GPX-1 · F2

GPX-1 b

Rank #5485 of the ranked catalogue · Discovered by Transit in 2021

HZ 0%measured

0.057

Earth-2.0 index

0.055

Earth Similarity Index

0%

Habitable-zone probability

16.48 R⊕

Radius

Planet

Mass6261.220 M⊕measured
Bulk density8.222 g/cm³
Orbital period1.7446 days
Semi-major axis0.03380 au
Eccentricity0.000
Incident flux4650.000 S⊕
Equilibrium temperature2099.1 K
Transit-time σ at 203024.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.05 masReflected-light contrast 4.13e-5 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources2 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage100%0% median composite-to-default difference over shared parameters.

Host star & system

HostGPX-1
Spectral typeF2
Effective temperature7000 K
Radius1.560 R☉
Mass1.680 M☉
Distance655.0 pc / 2136.4 ly
DiscoveryTransit, 2021