Exoplanet
NGTS-18 b
3,575.29 light-years
- Discovery
- Transit · 2021
- Radius
- 13.5629 (+2.0176 / −2.0176) Earth radii
- Mass
- 129.9918 (+25.7441 / −20.0232) Earth masses
- Orbital period
- 3.0513 (+1 × 10⁻⁵ / −1 × 10⁻⁵) days
- Semi-major axis
- 0.0448 (+6.8 × 10⁻³ / −6.8 × 10⁻³) AU
- Equilibrium temperature
- 1,381 (+55 / −53) 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