Exoplanet
HD 153557 c
58.52 light-years
- Discovery
- Radial Velocity · 2022
- Radius
- 4.36 Earth radii
- Mass
- 17.4806 (+1.5891 / −1.907) Earth masses
- Orbital period
- 15.2702 (+1.4 × 10⁻³ / −1.17 × 10⁻³) days
- Semi-major axis
- 0.111 (+4 × 10⁻³ / −4 × 10⁻³) AU
- Equilibrium temperature
- 604.33 (+28.47 / −28.47) 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