Exoplanet
iot Dra b
102.18 light-years
- Discovery
- Radial Velocity · 2002
- Radius
- 12.4 Earth radii
- Mass
- 3,756.7318 (+133.4879 / −130.3096) Earth masses
- Orbital period
- 510.8544 (+0.0128 / −0.0128) days
- Semi-major axis
- 1.453 (+0.026 / −0.026) AU
- Equilibrium temperature
- 618.67 (+11.95 / −11.95) 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