The GJ 849 system contains 2 exoplanets. It is located 28.70 light years away from the solar system.
Mass | 0.49 solar masses |
Radius | 0.47 solar radiae |
Temperature | 3562.68 kelvin |
Stellar Metallicity | 0.22 decimal exponent |
Age | 3 billion years |
At more than 50 Earth masses, GJ 849 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
Mass | 286.046 Earth masses |
Density | 0.585 grams per cubic centimeter |
Radius | 13.900 Earth radiae |
Semi-major Axis | 2.409 AU |
Eccentricity | 0.038 |
Orbital Period | 1915.000 days |
Discovery Method | Radial Velocity |
Discovery Facility | W. M. Keck Observatory |
Discovery Telescope | 10 m Keck I Telescope |
Discovery Instrument | HIRES Spectrometer |
Discovery Date | 2006-12 |
Reference | Butler et al. 2006 |
At more than 50 Earth masses, GJ 849 c is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
Mass | 223.116 Earth masses |
Density | 0.447 grams per cubic centimeter |
Radius | 14.000 Earth radiae |
Semi-major Axis | 4.974 AU |
Eccentricity | 0.099 |
Orbital Period | 7068.000 days |
Discovery Method | Radial Velocity |
Discovery Facility | W. M. Keck Observatory |
Discovery Telescope | 10 m Keck I Telescope |
Discovery Instrument | HIRES Spectrometer |
Discovery Date | 2014-01 |
Reference | Montet et al. 2014 |