Exoplanet
K2-55 b
520.29 light-years
- Discovery
- Transit · 2016
- Radius
- 4.43 (+0.29 / −0.32) Earth radii
- Mass
- 44 (+5.3 / −5.3) Earth masses
- Orbital period
- 2.8493 (+2.9 × 10⁻⁵ / −2.9 × 10⁻⁵) days
- Semi-major axis
- 0.0349 (+7.8 × 10⁻⁴ / −7.8 × 10⁻⁴) AU
- Equilibrium temperature
- 900 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