The alf Tau system contains 1 exoplanet. It is located 66.64 light years away from the solar system.
| Mass | 1.13 solar masses |
| Radius | 45.1 solar radiae |
| Temperature | 4055 kelvin |
| Stellar Metallicity | -0.27 decimal exponent |
| Age | 6.6 billion years |
At more than 50 Earth masses, alf Tau b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 2056.360 Earth masses |
| Density | 5.520 grams per cubic centimeter |
| Radius | 12.700 Earth radiae |
| Semi-major Axis | 1.46 AU |
| Eccentricity | 0.1 |
| Orbital Period | 628.960 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Multiple Observatories |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2015-08 |
| Reference | Hatzes et al. 2015 |