Exoplanet
WASP-42 b
578.25 light-years
- Discovery
- Transit · 2012
- Radius
- 12.5765 (+0.4372 / −0.4372) Earth radii
- Mass
- 167.4964 (+8.8992 / −8.8992) Earth masses
- Orbital period
- 4.9817 (+1.1 × 10⁻⁶ / −1.1 × 10⁻⁶) days
- Semi-major axis
- 0.0561 (+1.2 × 10⁻³ / −1.2 × 10⁻³) AU
- Equilibrium temperature
- 1,021 (+19 / −19) 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