Finding Earth 2.0
YZ Cet · M4.5 V

YZ Cet c

Rank #114 of the ranked catalogue · Discovered by Radial Velocity in 2017

HZ 0%M sin i

0.130

Earth-2.0 index

0.731

Earth Similarity Index

0%

Habitable-zone probability

1.05 R⊕

Radius

Planet

Mass1.140 M⊕M sin i
Bulk density5.410 g/cm³
Orbital period3.0599 days
Semi-major axis0.02156 au
Eccentricity0.000
Incident flux4.720 S⊕
Equilibrium temperature374.7 K
Maximum angular separation5.81 masReflected-light contrast 4.12e-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 coverage83%0% median composite-to-default difference over shared parameters.

Host star & system

HostYZ Cet
Spectral typeM4.5 V
Effective temperature3151 K
Radius0.157 R☉
Mass0.142 M☉
Distance3.7 pc / 12.1 ly
DiscoveryRadial Velocity, 2017