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Public Universe

Exoplanet

iot Dra c

102.18 light-years

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Discovery
Radial Velocity · 2021
Radius
12.2 Earth radii
Mass
4,958.1231 (+4,449.5977 / −1,620.9249) Earth masses
Orbital period
2.5 × 10⁴ (+2.2 × 10⁴ / −1.3 × 10⁴) days
Semi-major axis
19.4 (+10 / −7.7) AU
Equilibrium temperature
169.31 (+38.73 / −38.73) 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