The HD 160691 system contains 4 exoplanets. It is located 50.87 light years away from the solar system.
| Mass | 1.13 solar masses |
| Radius | 1.33 solar radiae |
| Temperature | 5773 kelvin |
| Stellar Metallicity | 0.28 decimal exponent |
| Age | 5.7 billion years |
At more than 50 Earth masses, HD 160691 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 1366.662 Earth masses |
| Density | NaN grams per cubic centimeter |
| Radius | NaN Earth radiae |
| Semi-major Axis | 1.5 AU |
| Eccentricity | 0.128 |
| Orbital Period | 645.000 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Anglo-Australian Telescope |
| Discovery Telescope | 3.9 m Anglo-Australian Telescope |
| Discovery Instrument | UCLES Spectrograph |
| Discovery Date | 2001-07 |
| Reference | Butler et al. 2001 |
At more than 50 Earth masses, HD 160691 c is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 1398.445 Earth masses |
| Density | NaN grams per cubic centimeter |
| Radius | NaN Earth radiae |
| Semi-major Axis | 4.17 AU |
| Eccentricity | 0.0985 |
| Orbital Period | 3947.000 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Anglo-Australian Telescope |
| Discovery Telescope | 3.9 m Anglo-Australian Telescope |
| Discovery Instrument | UCLES Spectrograph |
| Discovery Date | 2004-12 |
| Reference | McCarthy et al. 2004 |
At more than 10 Earth masses, HD 160691 d is an ice giant, a planet that is made up mostly of volatiles like water, amonia and methane, and enveloped by a dense hydrogen and helium atmosphere, much like Uranus and Neptune.
| Mass | 10.170 Earth masses |
| Density | 1.750 grams per cubic centimeter |
| Radius | 3.170 Earth radiae |
| Semi-major Axis | 0.09286 AU |
| Eccentricity | 0 |
| Orbital Period | 9.639 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 3.6 m ESO Telescope |
| Discovery Instrument | HARPS Spectrograph |
| Discovery Date | 2004-10 |
| Reference | Santos et al. 2004 |
At more than 50 Earth masses, HD 160691 e is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 2224.799 Earth masses |
| Density | NaN grams per cubic centimeter |
| Radius | NaN Earth radiae |
| Semi-major Axis | 0.934 AU |
| Eccentricity | 0.0666 |
| Orbital Period | 307.900 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 3.6 m ESO Telescope |
| Discovery Instrument | HARPS Spectrograph |
| Discovery Date | 2007-02 |
| Reference | Pepe et al. 2007 |