Exoplanet
tau Boo b
51.05 light-years
- Discovery
- Radial Velocity · 1996
- Radius
- 12.8 Earth radii
- Mass
- 1,891 (+89 / −89) Earth masses
- Orbital period
- 3.3125 (+6.9 × 10⁻⁶ / −6.9 × 10⁻⁶) days
- Semi-major axis
- 0.049 (+3 × 10⁻³ / −3 × 10⁻³) AU
- Equilibrium temperature
- 1,682.02 (+67.51 / −67.51) 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