Exoplanet
55 Cnc d
41.05 light-years
- Discovery
- Radial Velocity · 2002
- Radius
- 13 Earth radii
- Mass
- 1,232.493 (+21.612 / −21.612) Earth masses
- Orbital period
- 4,799 (+4.9 / −15) days
- Semi-major axis
- 5.6 (+0.1 / −0.1) AU
- Equilibrium temperature
- 104.85 (+1.41 / −1.41) 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