Skip to content
Public Universe

Exoplanet

Kepler-304 d

1,417.75 light-years

Add to an observing list or journal →
Discovery
Transit · 2014
Radius
2.75 (+0.21 / −0.21) Earth radii
Mass
8 Earth masses
Orbital period
9.6535 (+1.5 × 10⁻⁵ / −1.5 × 10⁻⁵) days
Semi-major axis
0.08 AU
Equilibrium temperature
611 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