The TrES-1 system contains 1 exoplanet. It is located 520.73 light years away from the solar system.
| Mass | 1.04 solar masses |
| Radius | 0.85 solar radiae |
| Temperature | 5230 kelvin |
| Stellar Metallicity | 0.02 decimal exponent |
| Age | 3.7 billion years |
At more than 50 Earth masses, TrES-1 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 266.977 Earth masses |
| Density | 0.712 grams per cubic centimeter |
| Radius | 12.666 Earth radiae |
| Semi-major Axis | 0.03925 AU |
| Eccentricity | 0 |
| Orbital Period | 3.030 days |
| Discovery Method | Transit |
| Discovery Facility | TrES |
| Discovery Telescope | 0.10 m Schmidt Telescope |
| Discovery Instrument | 2K CCD Sensor |
| Discovery Date | 2004-10 |
| Reference | Alonso et al. 2004 |