Skip to content
Public Universe

Exoplanet

HD 155918 b

89.89 light-years

Add to an observing list or journal →
Discovery
Radial Velocity · 2022
Radius
2.67 Earth radii
Mass
7.6279 (+0.9535 / −1.2713) Earth masses
Orbital period
1.8757 (+4 × 10⁻⁵ / −4 × 10⁻⁵) days
Semi-major axis
0.03 (+1 × 10⁻³ / −1 × 10⁻³) AU
Equilibrium temperature
1,622.13 (+53.26 / −53.26) 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