Exoplanet
WASP-4 b
871.51 light-years
- Discovery
- Transit · 2007
- Radius
- 15.1209 (+0.1233 / −0.1345) Earth radii
- Mass
- 381.3941 (+10.1705 / −9.5349) Earth masses
- Orbital period
- 1.3382 (+8.4 × 10⁻⁸ / −8.4 × 10⁻⁸) days
- Semi-major axis
- 0.0226 (+3.6 × 10⁻⁴ / −2.7 × 10⁻⁴) AU
- Equilibrium temperature
- 1,653 (+12 / −12) 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