Finding Earth 2.0
V1298 Tau · K1

V1298 Tau c

Rank #4115 of the ranked catalogue · Discovered by Transit in 2019

HZ 0%measured

0.079

Earth-2.0 index

0.135

Earth Similarity Index

0%

Habitable-zone probability

5.08 R⊕

Radius

Planet

Mass4.700 M⊕measured
Bulk density0.200 g/cm³
Orbital period8.2492 days
Semi-major axis0.08240 au
Eccentricity0.009
Incident flux146.000 S⊕
Equilibrium temperature883.6 K
Transit-time σ at 20302.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.76 masReflected-light contrast 6.60e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage92%0% median composite-to-default difference over shared parameters.

Host star & system

HostV1298 Tau
Spectral typeK1
Effective temperature4970 K
Radius1.320 R☉
Mass1.100 M☉
Distance108.2 pc / 352.9 ly
DiscoveryTransit, 2019