The iot Dra system contains 2 exoplanets. It is located 102.18 light years away from the solar system.
| Mass | 1.54 solar masses |
| Radius | 11.79 solar radiae |
| Temperature | 4504 kelvin |
| Stellar Metallicity | 0.03 decimal exponent |
| Age | 2.65 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 | 3756.732 Earth masses |
| Density | 10.800 grams per cubic centimeter |
| Radius | 12.400 Earth radiae |
| Semi-major Axis | 1.453 AU |
| Eccentricity | 0.701 |
| Orbital Period | 510.854 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 |
At more than 50 Earth masses, iot Dra c is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 4958.123 Earth masses |
| Density | 15.000 grams per cubic centimeter |
| Radius | 12.200 Earth radiae |
| Semi-major Axis | 19.4 AU |
| Eccentricity | 0.455 |
| Orbital Period | 25000.000 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 3.6 m ESO Telescope |
| Discovery Instrument | HARPS Spectrograph |
| Discovery Date | 2021-11 |
| Reference | Hill et al. 2021 |