The HD 12661 system contains 2 exoplanets. It is located 123.44 light years away from the solar system.
Mass | 1.2 solar masses |
Radius | 1.2 solar radiae |
Temperature | 5645 kelvin |
Stellar Metallicity | 0.36 decimal exponent |
Age | 6.39 billion years |
At more than 50 Earth masses, HD 12661 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
Mass | 772.327 Earth masses |
Density | 1.800 grams per cubic centimeter |
Radius | 13.300 Earth radiae |
Semi-major Axis | 0.84 AU |
Eccentricity | 0.38 |
Orbital Period | 262.709 days |
Discovery Method | Radial Velocity |
Discovery Facility | Multiple Observatories |
Discovery Telescope | Multiple Telescopes |
Discovery Instrument | Multiple Instruments |
Discovery Date | 2001-04 |
Reference | Fischer et al. 2001 |
At more than 50 Earth masses, HD 12661 c is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
Mass | 575.884 Earth masses |
Density | 1.320 grams per cubic centimeter |
Radius | 13.400 Earth radiae |
Semi-major Axis | 2.8145 AU |
Eccentricity | 0.031 |
Orbital Period | 1708.000 days |
Discovery Method | Radial Velocity |
Discovery Facility | Multiple Observatories |
Discovery Telescope | Multiple Telescopes |
Discovery Instrument | Multiple Instruments |
Discovery Date | 2003-04 |
Reference | Fischer et al. 2003 |