According to Space.com's 02-Feb-2018 article Cosmonauts Break Russian Spacewalk Record During Space Station Antenna Repair:
The cosmonauts spent the day replacing an electronics box for a high-gain communications antenna outside the Zvezda service module. Instead of holding on to the outdated piece of equipment, the cosmonauts tossed the original electronics box overboard, dooming it to burn up in Earth's atmosphere.
caption: An old electronics box drifts through space after Russian cosmonauts tossed it away from the International Space Station during a spacewalk on Feb. 2, 2018. Credit: NASA TV
Many cubesats have been deployed from the ISS, and at least one "spheresat" as well. These would all have publicly available Two Line Elements Sets (TLEs). However I'm not so sure about suitsats or toolbagsats.
Have objects released manually by astronauts (intentionally or otherwise) ever had publicly available TLEs that could be looked up?