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Exoplanet

Kepler-1917 b

2,964.88 light-years

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Discovery
Transit · 2021
Radius
1.8897 Earth radii
Mass
4.23 Earth masses
Orbital period
12.9024 days
Semi-major axis
0.103 AU
Equilibrium temperature
675 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