The iot Dra system is known to contain 1 exoplanet in orbit around it. It is located 102.18 light years away from the solar system.
| Mass | 1.05 solar masses |
| Radius | 12.57 solar radiae |
| Temperature | 4548 kelvin |
| Stellar Metallicity | 0.29 Decimal exponent |
| Age | - billion years |
At more than 50 Earth masses, iot Dra b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 2803.100 Earth masses |
| Density | 7.890 grams per cubic centimeter |
| Radius | 12.500 Earth radiae |
| Semi-major Axis | 1.275 AU |
| Eccentricity | 0.7124 |
| Orbital Period | 511.098 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Lick Observatory |
| Discovery Telescope | 0.6 m Coude Auxiliary Telescope |
| Discovery Instrument | Hamilton Echelle Spectrograph |
| Discovery Date | 2002-09 |
| Reference | Frink et al. 2002 |