"However, sky watching veteran and reentry tracker, Jonathan McDowell who works at the Harvard–Smithsonian Center for Astrophysics, told Inside Outer Space that there is "no obvious space candidate. I am not convinced it's not from an airplane. Don’t see obvious evidence of reentry heating.""
Well, my skepticism about the Kenya space debris may have been wrong. I reviewed the data again, concluding that Space Force estimates of the Ariane V184 upper stage reentry are unreliable; an assocation with this object can’t be ruled out.