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Exoplanet

Kepler-1240 b

2,812.07 light-years

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Discovery
Transit · 2016
Radius
1.15 (+0.2 / −0.1) Earth radii
Mass
1.6 Earth masses
Orbital period
4.8664 (+2.513 × 10⁻⁵ / −2.513 × 10⁻⁵) days
Semi-major axis
0.0579 (+6.1 × 10⁻⁴ / −6.1 × 10⁻⁴) AU
Equilibrium temperature
1,121 K
Mass provenance
M-R relationship

Measurements may come from different studies and need not form one self-consistent model. “Msini” is a minimum mass; a mass inferred from radius is an estimate. Equilibrium temperature is a model estimate, not a measured surface temperature or evidence of habitability.

NASA archive record and references ↗

Snapshot retrieved: 2026-10-11T04:15:07.688253+00:00