The orbital characteristics of debris particle rings as derived from IDE observations of multiple orbit intersections with LDEF

Details The orbital characteristics of debris particle rings as derived from IDE observations of multiple orbit intersections with LDEF The orbital characteristics of debris particle rings as derived from IDE observations of multiple orbit intersections with LDEF

Feb 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ldef.symp..361c&link_type=abstract

In NASA. Langley Research Center, LDEF: 69 Months in Space. Third Post-Retrieval Symposium, Part 1 p 361-371 (SEE N95-23796 07-9

Physics

Earth Orbital Environments, Interplanetary Dust, Long Duration Exposure Facility, Low Earth Orbits, Orbital Elements, Particle Trajectories, Space Debris, Impact Damage, Metal Oxides, Silicon

Scientific paper

During the first 346 days of the LDEF's almost 6 year stay in space, the metal oxide silicon detectors of the Interplanetary Dust Experiment (IDE) recorded over 15,000 impacts, most of which were separated in time by integer multiples of the LDEF orbital period (called multiple orbit event sequences, or MOES). Simple celestial mechanics provides ample reason to expect that a good deal of information about the orbits of the impacting debris particles can be extracted from these MOES, and so a procedure, based on the work of Greenberg, has been developed and applied to one of these events, the so-called 'May swarm'. This technique, the 'Method of Differential Precession,' allows for the determination of the geometrical elements of a particle orbit from the change in the position of the impact point with time. The application of this approach to the May swarm gave the following orbital elements for the orbit of the particles striking LDEF during this MOES: a = 6746.5 km; 0.0165 less than e less than 0.025; i = 66.55 deg; Omega0 = 179.0 deg plus or minus 0.2 deg; omega = 178.1 deg plus or minus 0.2 deg.

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