Short Evaluation of Triangulated Range from Multiple Angles-Only Sites.

摘要

Range observations are scarce for deep space objects. This scarcity sometimes lowers the accuracy of ephemerides. This is especially true for sparsely tracked angles-only objects, objects with too short fit spans, and objects that are created from angles-only uncorrelated tracks. This paper evaluates the use of triangulated range for objects that have been simultaneously tracked by two or more angles-only sites. Evaluated are the accuracy of the triangulated range and the error growth of ephemerides when triangulated range is included in the differential correction.