Exoplanet
TOI-789 d
141.57 light-years
- Discovery
- Transit · 2026
- Radius
- 1.4 (+0.06 / −0.06) Earth radii
- Mass
- < 6.6 Earth masses
- Orbital period
- 12.9707 (+1.53 × 10⁻⁵ / −1.53 × 10⁻⁵) days
- Semi-major axis
- 0.077 (+2 × 10⁻³ / −2 × 10⁻³) AU
- Equilibrium temperature
- 336 (+8 / −8) 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