Exoplanet
55 Cnc b
41.05 light-years
- Discovery
- Radial Velocity · 1996
- Radius
- 13.9 Earth radii
- Mass
- 263.9785 (+1.0488 / −1.0488) Earth masses
- Orbital period
- 14.6516 (+3.6 × 10⁻⁵ / −3.6 × 10⁻⁵) days
- Semi-major axis
- 0.118 (+2 × 10⁻³ / −2 × 10⁻³) AU
- Equilibrium temperature
- 700 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