Exoplanet
HIP 9618 c
220.31 light-years
- Discovery
- Transit · 2023
- Radius
- 3.4286 (+0.0972 / −0.086) Earth radii
- Mass
- < 7 Earth masses
- Orbital period
- 52.5636 (+1.6 × 10⁻⁴ / −1.6 × 10⁻⁴) days
- Semi-major axis
- 0.269 (+5 × 10⁻³ / −5 × 10⁻³) AU
- Equilibrium temperature
- 470.31 (+8.03 / −7.6) 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