Exoplanet
LP 791-18 b
86.41 light-years
- Discovery
- Transit · 2019
- Radius
- 1.212 (+0.059 / −0.058) Earth radii
- Mass
- 1.94 Earth masses
- Orbital period
- 0.948 (+2.1 × 10⁻⁶ / −2.1 × 10⁻⁶) days
- Semi-major axis
- 9.78 × 10⁻³ (+1.2 × 10⁻⁴ / −1.2 × 10⁻⁴) AU
- Equilibrium temperature
- 564.3 (+3.5 / −3.4) 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