The GJ 433 system contains 3 exoplanets. It is located 29.56 light years away from the solar system.
Mass | 0.48 solar masses |
Radius | 0.5 solar radiae |
Temperature | 3461 kelvin |
Stellar Metallicity | -0.17 decimal exponent |
Age | - billion years |
At more than 10 Earth masses, GJ 433 b 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 | 6.043 Earth masses |
Density | 2.630 grams per cubic centimeter |
Radius | 2.330 Earth radiae |
Semi-major Axis | 0.062 AU |
Eccentricity | 0.04 |
Orbital Period | 7.370 days |
Discovery Method | Radial Velocity |
Discovery Facility | La Silla Observatory |
Discovery Telescope | 3.6 m ESO Telescope |
Discovery Instrument | HARPS Spectrograph |
Discovery Date | 2013-01 |
Reference | Bonfils et al. 2013 |
At more than 10 Earth masses, GJ 433 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 | 32.422 Earth masses |
Density | 0.723 grams per cubic centimeter |
Radius | 6.270 Earth radiae |
Semi-major Axis | 4.819 AU |
Eccentricity | 0.12 |
Orbital Period | 5094.105 days |
Discovery Method | Radial Velocity |
Discovery Facility | Multiple Observatories |
Discovery Telescope | Multiple Telescopes |
Discovery Instrument | Multiple Instruments |
Discovery Date | 2014-06 |
Reference | Tuomi et al. 2014 |
At more than 10 Earth masses, GJ 433 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 | 5.223 Earth masses |
Density | 2.930 grams per cubic centimeter |
Radius | 2.140 Earth radiae |
Semi-major Axis | 0.178 AU |
Eccentricity | 0.07 |
Orbital Period | 36.059 days |
Discovery Method | Radial Velocity |
Discovery Facility | Multiple Facilities |
Discovery Telescope | Multiple Telescopes |
Discovery Instrument | Multiple Instruments |
Discovery Date | 2020-01 |
Reference | Feng et al. 2020 |