Satellite Catalog Number
From SatNOGS Wiki
Introduction
The Satellite Catalog Number (also known as NORAD (North American Aerospace Defense) Catalog Number, NORAD ID, NASA catalog number, USSPACECOM object number or simply catalog number and similar variants) is a sequential five-digit number assigned by USSTRATCOM (United States Strategic Command) in order of discovery to all man-made objects in Earth orbit (including rocket bodies and debris) and space probes launched from Earth.
