The TOI-122 system contains 1 exoplanet. It is located 202.60 light years away from the solar system.
|Mass||0.31 solar masses|
|Radius||0.33 solar radiae|
|Stellar Metallicity||- decimal exponent|
|Age||2 billion years|
At more than 10 Earth masses, TOI-122 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||7.850 Earth masses|
|Density||2.140 grams per cubic centimeter|
|Radius||2.720 Earth radiae|
|Semi-major Axis||0.0392 AU|
|Orbital Period||5.078 days|
|Discovery Facility||Transiting Exoplanet Survey Satellite (TESS)|
|Discovery Telescope||0.1 m TESS Telescope|
|Discovery Instrument||TESS CCD Array|
|Reference||Waalkes et al. 2021|