Skip to content
Public Universe

Exoplanet

HD 117618 b

123.22 light-years

Add to an observing list or journal →
Discovery
Radial Velocity · 2004
Radius
8.59 Earth radii
Mass
55.3024 (+4.4496 / −4.4496) Earth masses
Orbital period
25.8 (+4 × 10⁻³ / −4 × 10⁻³) days
Semi-major axis
0.18 (+5 × 10⁻³ / −5 × 10⁻³) AU
Equilibrium temperature
745.79 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