|Discovery date 18 April 1999|
Minor planet category TNO (2:5 resonance)
Aphelion 79.645 AU (11.9147 Tm)
Discovered 18 April 1999
Minor planet category Trans-Neptunian object
|MPC designation (38084) 1999 HB12|
Observation arc 4049 days (11.09 yr)
Orbital period 422 years
People also search for (79969) 1999 CP133
|Discovered by Marc W. Buie, Robert L. Millis|
Discovery site Kitt Peak National Observatory
Discoverers Robert L. Millis, Marc William Buie
(38084) 1999 HB12, also written as (38084) 1999 HB12, is a trans-Neptunian object that resides in the Kuiper belt region of the Solar System. It was discovered on 18 April 1999 by Marc W. Buie and Robert L. Millis.
It is in a 2:5 orbital resonance with Neptune.