Lost minor planet is a term used to describe a celestial object in our solar system that has been missed or lost by astronomers. There are a few different terms that can be used synonymously with this term. Some refer to these objects as "missing minor planets," while others use phrases such as "disappeared minor planets" or simply "undiscovered minor planets." In any case, the concept refers to a minor planet that was once known or believed to exist but has since been lost or overlooked. With new advancements in technology and astronomy, it's possible that some lost minor planets could be rediscovered in the future.