From a discussion in the satnogs chat channel with @PE0SAT and a quick look on the possible candidates from the published TLE for this launch (2026-061) it is difficult to say which object OBZP1 can be.
The first public TLE sets are 6 days after the last reception from the satellite, the closest object is 68373 but still away for an identification. Also if we check the TLE sets 2 days after the first ones and 8 days from the last reception, they are significantly changed and more of them are close to the observation’s signal, which makes me not to trust any “closest” object to be the satellite after 6 days of the last successful observation.
Similar pattern of orbit significant changes can be observed in the next batches of TLE sets. Given that the satellites tried to maneuver, they were in low orbit and coming from an announced launch, makes very difficult to get anything from the current observations in Network. I’m going randomly to assign 68373 to follow but all the satellites remain possible candidates.
Our only chance to identify, is from new or old strf observations if they got/get something.
PS Спутник OBZP1 | R4UAB also stop having any frame after 2026-03-25