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Cosmos 482 Descent Craft tracker
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The ephemeris OEM files are generated by fitting a subset of USSPACECOM's Special Perturbation (SP) ephemerides. Data obtained from the sources listed above are stored internally as EME2000 state vectors. Perturbations from Earth oblateness, third bodies, atmospheric drag, solar radiation pressure etc., are not taken into account in order to reduce CPU cost.
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