Exoplanet
TOI-4640 b
799.37 light-years
- Discovery
- Transit · 2026
- Radius
- 2.8433 (+0.2691 / −0.2593) Earth radii
- Mass
- 8.46 Earth masses
- Orbital period
- 2.6857 (+3.5243 × 10⁻⁴ / −3.5772 × 10⁻⁴) days
- Semi-major axis
- Unknown
- Equilibrium temperature
- 1,378.86 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