Exoplanet
HAT-P-28 b
1,308.93 light-years
- Discovery
- Transit · 2011
- Radius
- 13.585 (+1.267 / −0.919) Earth radii
- Mass
- 198.953 (+11.759 / −11.759) Earth masses
- Orbital period
- 3.2572 (+7 × 10⁻⁶ / −7 × 10⁻⁶) days
- Semi-major axis
- 0.0434 (+7 × 10⁻⁴ / −7 × 10⁻⁴) AU
- Equilibrium temperature
- 1,384 (+52 / −52) 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