Exoplanet
XO-2 N b
503.17 light-years
- Discovery
- Transit · 2007
- Radius
- 11.1305 (+0.1345 / −0.1345) Earth radii
- Mass
- 199.9151 (+5.4031 / −5.4031) Earth masses
- Orbital period
- 2.6159 (+2.52 × 10⁻⁷ / −2.52 × 10⁻⁷) days
- Semi-major axis
- 0.0367 (+6.5 × 10⁻⁴ / −6.5 × 10⁻⁴) AU
- Equilibrium temperature
- 1,328 (+17 / −28) 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