The BD+20 274 system contains 1 exoplanet. It is located 4313.45 light years away from the solar system.
| Mass | 0.8 solar masses |
| Radius | 17.3 solar radiae |
| Temperature | 4296 kelvin |
| Stellar Metallicity | -0.46 decimal exponent |
| Age | - billion years |
At more than 50 Earth masses, BD+20 274 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 1334.886 Earth masses |
| Density | 3.340 grams per cubic centimeter |
| Radius | 13.000 Earth radiae |
| Semi-major Axis | 1.3 AU |
| Eccentricity | 0.21 |
| Orbital Period | 578.200 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | McDonald Observatory |
| Discovery Telescope | 9.2 m Hobby-Eberly Telescope |
| Discovery Instrument | High Resolution Spectrograph |
| Discovery Date | 2012-09 |
| Reference | Gettel et al. 2012 |