What key comparative technique is often used in ground-based surveys to identify newly discovered KBOs?

Answer

Comparisons between images taken weeks or months apart

The discovery process relies on comparing sequential images taken over weeks or months to detect objects that have changed position relative to the fixed background stars.

What key comparative technique is often used in ground-based surveys to identify newly discovered KBOs?
discoveryastronomyobjectssolar systemKuiper Beltspace objects