|Discovery date 20 December 2001|
Alternative names none
Observation arc 2455 days (6.72 yr)
|MPC designation (126155) 2001 YJ140|
Minor planet category TNO
|Discovered by Michael E. Brown, Chad Trujillo, Glenn Smith|
(126155) 2001 YJ140, also written as (126155) 2001 YJ140, is a trans-neptunian object discovered on December 20, 2001 by C. A. Trujillo, M. E. Brown, Glenn Smith.
Orbit and rotation
The orbit of (126155) 2001 YJ140 has a semimajor axis of 42.396 AU and an orbital period of about 249 years. Perihelion leads to 27.881 AU from the Sun and its aphelion in the distance of 51.348 AU.