Exoplanet
47 UMa d
45 light-years
- Discovery
- Radial Velocity · 2009
- Radius
- 13.5 Earth radii
- Mass
- 521.22 (+92.17 / −152.55) Earth masses
- Orbital period
- 1.4002 × 10⁴ (+4,018 / −5,095) days
- Semi-major axis
- 11.6 (+2.1 / −2.9) AU
- Equilibrium temperature
- 91.58 (+10.17 / −10.17) K
- Mass provenance
- Msini
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