Finding Earth 2.0
AU Mic · M1 V

AU Mic d

Discovered by Transit Timing Variations in 2023

unknownmeasured

Earth-2.0 index

Earth Similarity Index

Habitable-zone probability

1.02 R⊕

Radius

Planet

Mass1.053 M⊕measured
Bulk density5.450 g/cm³
Orbital period12.7360 days
Semi-major axis— au
Eccentricity0.003
Incident flux— S⊕
Equilibrium temperature— K
Maximum angular separation8.77 masReflected-light contrast 2.48e-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 coverage78%0% median composite-to-default difference over shared parameters.

Host star & system

HostAU Mic
Spectral typeM1 V
Effective temperature3678 K
Radius0.744 R☉
Mass0.510 M☉
Distance9.7 pc / 31.7 ly
DiscoveryTransit Timing Variations, 2023