Exoplanet
HD 457 b
179.51 light-years
- Discovery
- Radial Velocity · 2022
- Radius
- 11.9 Earth radii
- Mass
- 8,445.3364 (+5,952.2904 / −3,798.6851) Earth masses
- Orbital period
- 2.0325 × 10⁴ (+1.1484 × 10⁴ / −7,039.2004) days
- Semi-major axis
- 15.369 (+5.561 / −3.797) AU
- Equilibrium temperature
- 85.15 (+13.18 / −13.18) 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