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Public Universe

Exoplanet

GJ 273 c

19.31 light-years

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Discovery
Radial Velocity · 2017
Radius
1.06 Earth radii
Mass
1.18 (+0.16 / −0.16) Earth masses
Orbital period
4.7234 (+4 × 10⁻⁴ / −4 × 10⁻⁴) days
Semi-major axis
0.0365 (+2 × 10⁻⁶ / −2 × 10⁻⁶) AU
Equilibrium temperature
462.26 (+22.33 / −22.33) 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