Any project or individual who will be submitting products to SBN that involve coordinates on the surface of a small body must adhere to the international guidelines for such coordinates and must also insure the coordinate system used is sufficiently documented. The SBN Coordinate System Guidelines is an essential reference to meeting the PDS and SBN requirements for coordinate systems, and should be read carefully by anyone planning to submit such products to SBN. Examples of coordinate system documents already archived in SBN are below.