The HD 34445 system contains 6 exoplanets. It is located 150.33 light years away from the solar system.
| Mass | 1.14 solar masses |
| Radius | 1.38 solar radiae |
| Temperature | 5879 kelvin |
| Stellar Metallicity | 0.18 decimal exponent |
| Age | 8.5 billion years |
At more than 50 Earth masses, HD 34445 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 260.621 Earth masses |
| Density | 0.533 grams per cubic centimeter |
| Radius | 13.900 Earth radiae |
| Semi-major Axis | 2.07 AU |
| Eccentricity | 0.27 |
| Orbital Period | 1049.000 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | W. M. Keck Observatory |
| Discovery Telescope | 10 m Keck I Telescope |
| Discovery Instrument | HIRES Spectrometer |
| Discovery Date | 2010-10 |
| Reference | Howard et al. 2010 |
At more than 50 Earth masses, HD 34445 c is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 53.500 Earth masses |
| Density | 0.492 grams per cubic centimeter |
| Radius | 8.420 Earth radiae |
| Semi-major Axis | 0.7181 AU |
| Eccentricity | 0.036 |
| Orbital Period | 214.670 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Multiple Observatories |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2017-11 |
| Reference | Vogt et al. 2017 |
At more than 10 Earth masses, HD 34445 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 | 30.700 Earth masses |
| Density | 0.754 grams per cubic centimeter |
| Radius | 6.070 Earth radiae |
| Semi-major Axis | 0.4817 AU |
| Eccentricity | 0.027 |
| Orbital Period | 117.870 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Multiple Observatories |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2017-11 |
| Reference | Vogt et al. 2017 |
At more than 10 Earth masses, HD 34445 e 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 | 16.800 Earth masses |
| Density | 1.190 grams per cubic centimeter |
| Radius | 4.260 Earth radiae |
| Semi-major Axis | 0.2687 AU |
| Eccentricity | 0.09 |
| Orbital Period | 49.175 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Multiple Observatories |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2017-11 |
| Reference | Vogt et al. 2017 |
At more than 10 Earth masses, HD 34445 f 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 | 37.900 Earth masses |
| Density | 0.640 grams per cubic centimeter |
| Radius | 6.880 Earth radiae |
| Semi-major Axis | 1.543 AU |
| Eccentricity | 0.031 |
| Orbital Period | 676.800 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Multiple Observatories |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2017-11 |
| Reference | Vogt et al. 2017 |
At more than 50 Earth masses, HD 34445 g is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 120.600 Earth masses |
| Density | 0.263 grams per cubic centimeter |
| Radius | 13.600 Earth radiae |
| Semi-major Axis | 6.36 AU |
| Eccentricity | 0.032 |
| Orbital Period | 5700.000 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Multiple Observatories |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2017-11 |
| Reference | Vogt et al. 2017 |