Exoplanet
HD 2638 b
179.26 light-years
- Discovery
- Radial Velocity · 2005
- Radius
- 14.3 Earth radii
- Mass
- 133.4886 (+9.5349 / −9.5349) Earth masses
- Orbital period
- 3.4442 (+2 × 10⁻⁴ / −2 × 10⁻⁴) days
- Semi-major axis
- 0.04 (+0 / −0) AU
- Equilibrium temperature
- 1,212.27 (+19.43 / −19.43) 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