Skip to content
Public Universe

Exoplanet

HD 5388 b

173.08 light-years

Add to an observing list or journal →

The archive flags this planet’s confirmation as questioned in the literature.

Discovery
Radial Velocity · 2010
Radius
13.1 Earth radii
Mass
1,017.0509 (+95.3485 / −63.5657) Earth masses
Orbital period
772.5 (+1 / −1) days
Semi-major axis
1.757 (+1 × 10⁻³ / −1 × 10⁻³) AU
Equilibrium temperature
316.59 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