The HD 27894 system contains 3 exoplanets. It is located 142.93 light years away from the solar system.
| Mass | 0.81 solar masses |
| Radius | 0.89 solar radiae |
| Temperature | 4875 kelvin |
| Stellar Metallicity | 0.3 decimal exponent |
| Age | 3.9 billion years |
At more than 50 Earth masses, HD 27894 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 196.860 Earth masses |
| Density | 0.386 grams per cubic centimeter |
| Radius | 14.100 Earth radiae |
| Semi-major Axis | 0.125367 AU |
| Eccentricity | 0.046978 |
| Orbital Period | 18.019 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 3.6 m ESO Telescope |
| Discovery Instrument | HARPS Spectrograph |
| Discovery Date | 2005-08 |
| Reference | Moutou et al. 2005 |
At more than 50 Earth masses, HD 27894 c is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 51.488 Earth masses |
| Density | 0.506 grams per cubic centimeter |
| Radius | 8.240 Earth radiae |
| Semi-major Axis | 0.198 AU |
| Eccentricity | 0.015 |
| Orbital Period | 36.070 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 3.6 m ESO Telescope |
| Discovery Instrument | HARPS Spectrograph |
| Discovery Date | 2017-06 |
| Reference | Trifonov et al. 2017 |
At more than 50 Earth masses, HD 27894 d is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 2155.407 Earth masses |
| Density | 5.780 grams per cubic centimeter |
| Radius | 12.700 Earth radiae |
| Semi-major Axis | 5.359964 AU |
| Eccentricity | 0.342834 |
| Orbital Period | 5019.542 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 3.6 m ESO Telescope |
| Discovery Instrument | HARPS Spectrograph |
| Discovery Date | 2017-06 |
| Reference | Trifonov et al. 2017 |