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Public Universe

Exoplanet

HD 97658 b

70.33 light-years

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Discovery
Radial Velocity · 2010
Radius
2.12 (+0.06 / −0.06) Earth radii
Mass
8.3 (+1.1 / −1.1) Earth masses
Orbital period
9.4897 (+8 × 10⁻⁷ / −8 × 10⁻⁷) days
Semi-major axis
0.0805 (+1 × 10⁻³ / −1.1 × 10⁻³) AU
Equilibrium temperature
751 (+12 / −12) 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