Exoplanet
NGTS-9 b
1,986.71 light-years
- Discovery
- Transit · 2019
- Radius
- 11.9936 (+0.6725 / −0.6725) Earth radii
- Mass
- 921.707 (+54.0311 / −54.0311) Earth masses
- Orbital period
- 4.4353 (+2 × 10⁻⁵ / −2 × 10⁻⁵) days
- Semi-major axis
- 0.058 (+3 × 10⁻³ / −2 × 10⁻³) AU
- Equilibrium temperature
- 1,448 (+36 / −36) 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