The AU Mic system contains 2 exoplanets. It is located 31.71 light years away from the solar system.
Mass | 0.5 solar masses |
Radius | 0.7 solar radiae |
Temperature | 3588 kelvin |
Stellar Metallicity | - decimal exponent |
Age | 0.022 billion years |
At more than 10 Earth masses, AU Mic 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 | 20.120 Earth masses |
Density | 1.320 grams per cubic centimeter |
Radius | 4.070 Earth radiae |
Semi-major Axis | 0.0645 AU |
Eccentricity | 0.186 |
Orbital Period | 8.463 days |
Discovery Method | Transit |
Discovery Facility | Transiting Exoplanet Survey Satellite (TESS) |
Discovery Telescope | 0.1 m TESS Telescope |
Discovery Instrument | TESS CCD Array |
Discovery Date | 2020-06 |
Reference | Plavchan et al. 2020 |
At more than 10 Earth masses, AU Mic 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 | 9.600 Earth masses |
Density | 1.220 grams per cubic centimeter |
Radius | 3.240 Earth radiae |
Semi-major Axis | 0.1101 AU |
Eccentricity | 0.041 |
Orbital Period | 18.859 days |
Discovery Method | Transit |
Discovery Facility | Transiting Exoplanet Survey Satellite (TESS) |
Discovery Telescope | 0.1 m TESS Telescope |
Discovery Instrument | TESS CCD Array |
Discovery Date | 2021-05 |
Reference | Martioli et al. 2021 |