A/2019 O2

Following this message (and related responses) from Pieter-Jan Dekelver,  working at the Observatory Grömme - MPC: D09 – M09in MPML list, I tried a backward simulation looking at a few centuries in the past.

It seems to be an object can get as far as 106 AU from the sun in repeating cycles (about 450-500 years).

r (sun distance)

Orbital parameters