Exoplanet
TRAPPIST-1 e
40.54 light-years
- Discovery
- Transit · 2017
- Radius
- 0.92 (+0.013 / −0.012) Earth radii
- Mass
- 0.692 (+0.022 / −0.022) Earth masses
- Orbital period
- 6.101 (+3.5 × 10⁻⁵ / −3.5 × 10⁻⁵) days
- Semi-major axis
- 0.0293 (+2.5 × 10⁻³ / −2.5 × 10⁻³) AU
- Equilibrium temperature
- 249.7 (+2.4 / −2.4) 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