Exoplanet
AU Mic b
31.71 light-years
- Discovery
- Transit · 2020
- Radius
- 4.79 (+0.29 / −0.29) Earth radii
- Mass
- 8.99 (+2.61 / −2.67) Earth masses
- Orbital period
- 8.4634 (+5 × 10⁻⁶ / −5 × 10⁻⁶) days
- Semi-major axis
- 0.07 (+6 × 10⁻³ / −7 × 10⁻³) AU
- Equilibrium temperature
- 554.8 (+31.6 / −32) 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