Finding Earth 2.0
RR Cae · M

RR Cae b

Rank #5518 of the ranked catalogue · Discovered by Eclipse Timing Variations in 2012

HZ 0%M sin i

0.055

Earth-2.0 index

0.068

Earth Similarity Index

0%

Habitable-zone probability

13.00 R⊕

Radius

Planet

Mass1334.886 M⊕M sin i
Bulk density3.340 g/cm³
Orbital period4343.5000 days
Semi-major axis5.30000 au
Eccentricity0.000
Incident flux0.000 S⊕
Equilibrium temperature33.5 K
Maximum angular separation250.10 masReflected-light contrast 1.04e-9 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 coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostRR Cae
Spectral typeM
Effective temperature3904 K
Radius0.193 R☉
Mass0.440 M☉
Distance21.2 pc / 69.1 ly
DiscoveryEclipse Timing Variations, 2012