The GJ 832 system contains 2 exoplanets. It is located 16.19 light years away from the solar system.
Mass | 0.45 solar masses |
Radius | 0.44 solar radiae |
Temperature | 3472 kelvin |
Stellar Metallicity | -0.3 decimal exponent |
Age | 9.24 billion years |
At more than 50 Earth masses, GJ 832 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
Mass | 216.000 Earth masses |
Density | 0.433 grams per cubic centimeter |
Radius | 14.000 Earth radiae |
Semi-major Axis | 3.56 AU |
Eccentricity | 0.08 |
Orbital Period | 3657.000 days |
Discovery Method | Radial Velocity |
Discovery Facility | Anglo-Australian Telescope |
Discovery Telescope | 3.9 m Anglo-Australian Telescope |
Discovery Instrument | UCLES Spectrograph |
Discovery Date | 2009-01 |
Reference | Bailey et al. 2009 |
At more than 10 Earth masses, GJ 832 c 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 | 5.400 Earth masses |
Density | 2.860 grams per cubic centimeter |
Radius | 2.180 Earth radiae |
Semi-major Axis | 0.163 AU |
Eccentricity | 0.18 |
Orbital Period | 35.680 days |
Discovery Method | Radial Velocity |
Discovery Facility | Multiple Observatories |
Discovery Telescope | Multiple Telescopes |
Discovery Instrument | Multiple Instruments |
Discovery Date | 2014-08 |
Reference | Wittenmyer et al. 2014 |