2021 RR205's heliocentric distance was 60 AU when it was discovered.[2] It has been detected in precovery observations by the Dark Energy Survey at Cerro Tololo Observatory from as early as July 2017.[3] It last passed perihelion in the early 1990s and is now moving outbound from the Sun.[1]
References
^ abc"MPEC-2022-S118 : 2021 RR205". Minor Planet Electronic Circular. Minor Planet Center. 21 September 2022. Retrieved 21 September 2022.