Other
Scientific paper
Oct 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001esasp.473..367s&link_type=abstract
In: Proceedings of the Third European Conference on Space Debris, 19 - 21 March 2001, Darmstadt, Germany. Ed.: Huguette Sawaya-L
Other
Space Debris, Orbital Evolution
Scientific paper
The comparison of the geostationary uncontrolled object long-term orbital evolution with NASA Two-Line-Elements of US Space Commands has been shown, that many of them have significant systematic discrepancies in longitudes. These discrepancies can be explained by sharp changes of satellite rate of drifts on some moments of time. At present there are more than a hundred of such objects, some of them have repeated changes. For instance, the objects 68050J Transtage 12, 79035E Raduga 5, apogee motor and exploded satellites (67066G Transtage 11 and 77092A Ekran 2) have no less than 3-5 changes. The values of the changes are in the limits 0.0002-0.01 °/day. The studies of changes with other orbital data and even with the optical observations confirmed this phenomenon. For explanation of it the statistic of all these changes for long time interval is necessary. The preliminary hypothesis, which could explain these changes, is a collision of satellite with space debris or its micro explosion, as soon as usual explosion of satellite calls the similar changes of rate close to 0.2-1.0 °/day only. For the beginning of statistic accumulation the studies of long-term evolution for all uncontrolled geostationary objects are fulfilled over the time interval 1993 - 2000 years. As the result of this work is a list of objects with their orbital data and the values of changes of their rate on corresponding time moments.
France Richard
Grigoriev Konstantin V.
Hoots Felix R.
Kiladze Rolan I.
Sochilina Alla S.
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