Finding Earth 2.0
TYC 2187-512-1 · M1.0 V

TYC 2187-512-1 b

Rank #4273 of the ranked catalogue · Discovered by Radial Velocity in 2022

HZ 0%M sin i

0.077

Earth-2.0 index

0.172

Earth Similarity Index

0%

Habitable-zone probability

12.50 R⊕

Radius

Planet

Mass104.883 M⊕M sin i
Bulk density0.295 g/cm³
Orbital period691.9000 days
Semi-major axis1.22000 au
Eccentricity0.050
Incident flux0.028 S⊕
Equilibrium temperature103.9 K
Maximum angular separation78.84 masReflected-light contrast 1.82e-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

HostTYC 2187-512-1
Spectral typeM1.0 V
Effective temperature3734 K
Radius0.495 R☉
Mass0.498 M☉
Distance15.5 pc / 50.5 ly
DiscoveryRadial Velocity, 2022