Finding Earth 2.0
iot Dra · K2 III

iot Dra b

Rank #2964 of the ranked catalogue · Discovered by Radial Velocity in 2002

HZ 0%M sin i

0.088

Earth-2.0 index

0.238

Earth Similarity Index

0%

Habitable-zone probability

12.40 R⊕

Radius

Planet

Mass3756.732 M⊕M sin i
Bulk density10.800 g/cm³
Orbital period510.8544 days
Semi-major axis1.45300 au
Eccentricity0.701
Incident flux25.000 S⊕
Equilibrium temperature568.4 K
Maximum angular separation46.38 masReflected-light contrast 1.26e-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

Hostiot Dra
Spectral typeK2 III
Effective temperature4504 K
Radius11.790 R☉
Mass1.540 M☉
Distance31.3 pc / 102.2 ly
DiscoveryRadial Velocity, 2002