Finding Earth 2.0
HD 41004 B · M2 V

HD 41004 B b

Discovered by Radial Velocity in 2003

unknownM sin i

Earth-2.0 index

Earth Similarity Index

Habitable-zone probability

12.10 R⊕

Radius

Planet

Mass5838.290 M⊕M sin i
Bulk density18.100 g/cm³
Orbital period1.3283 days
Semi-major axis— au
Eccentricity0.081
Incident flux— S⊕
Equilibrium temperature— K
Maximum angular separation0.42 masReflected-light contrast 8.37e-5 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 coverage56%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 41004 B
Spectral typeM2 V
Effective temperature5036 K
Radius1.041 R☉
Mass0.400 M☉
Distance41.5 pc / 135.5 ly
DiscoveryRadial Velocity, 2003