Exoplanet
KELT-18 b
1,048.19 light-years
- Discovery
- Transit · 2017
- Radius
- 17.5981 (+0.4708 / −0.4035) Earth radii
- Mass
- 375.0394 (+34.9613 / −34.9613) Earth masses
- Orbital period
- 2.8718 (+2.8 × 10⁻⁶ / −2.8 × 10⁻⁶) days
- Semi-major axis
- 0.0455 (+6.7 × 10⁻⁴ / −6.9 × 10⁻⁴) AU
- Equilibrium temperature
- 2,085 (+39 / −38) K
- Mass provenance
- Mass
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