Special Perturbations Uncorrelated Track Processing
August 2007
James G. Miller, The MITRE Corporation
ABSTRACT
Two historical uncorrelated track (UCT) processing approaches have been employed using
general perturbations (GP) orbit determination theory. The Cuthbert-Morris algorithm
clusters UCTs based on plane, drift rate of the right ascension of the ascending node, and
period matching. A pattern recognition tool developed by Lockheed Martin finds patterns in
the trends of GP UCT element set parameters over time. A new special perturbations (SP)
hierarchical agglomerative clustering algorithm and SP track-oriented multiple hypothesis
tracking (MHT) algorithm are considered for SP UCT processing. Both SP UCT processing
algorithms show improved performance over the GP UCT processing algorithms for a
stressing test case.
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