The LP 890-9 system contains 2 exoplanets. It is located 105.77 light years away from the solar system.
Mass | 0.12 solar masses |
Radius | 0.16 solar radiae |
Temperature | 2850 kelvin |
Stellar Metallicity | -0.028 decimal exponent |
Age | 7.2 billion years |
At more than 10 Earth masses, LP 890-9 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 | 13.200 Earth masses |
Density | NaN grams per cubic centimeter |
Radius | 1.320 Earth radiae |
Semi-major Axis | 0.01875 AU |
Eccentricity | NaN |
Orbital Period | 2.730 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 | 2022-09 |
Reference | Delrez et al. 2022 |
At more than 10 Earth masses, LP 890-9 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 | 25.300 Earth masses |
Density | NaN grams per cubic centimeter |
Radius | 1.367 Earth radiae |
Semi-major Axis | 0.03984 AU |
Eccentricity | NaN |
Orbital Period | 8.457 days |
Discovery Method | Transit |
Discovery Facility | SPECULOOS Southern Observatory |
Discovery Telescope | Multiple Telescopes |
Discovery Instrument | Multiple Instruments |
Discovery Date | 2022-09 |
Reference | Delrez et al. 2022 |