Observational asset for Near-Earth Objects, artificial satellites, and space debris: an assessment of concept

Abstract : Near-Earth Objects, artificial satellites and space debris are objects of the Earth-Space-Environment(SEE). New data are required continuously for these objects for improving their ephemerides. In the case of Near Earth Objects optimal periods of observations are sparse over the century and in the order of 10-30 days. It is mandatory to exploit these situations in terms of observations for refine the orbit and for derive their physical properties. For the artificial satellites optical observations should be addressed in order to corroborate telemetry and other observational techniques. An increasing importance is addressed to space debris, which are tremendously increased into the last decade. Their orbital evolution is very sensitive to gravitational harmonics of the Earth, tidal effects of the Moon, Sun and major planets, and to non-gravitational forces. Observational survey is required during their evolution on the orbit but also during their falls through the atmosphere. The article presents the premises of a modern asset which should answer to the problematic of observations of Near-Earth Objects, artificial satellites, and space debris in a paradigm of a mobile system which can be rapidly deployed.
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Journal articles
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https://hal.archives-ouvertes.fr/hal-02350084
Contributor : Mirel Birlan <>
Submitted on : Tuesday, November 5, 2019 - 10:18:29 PM
Last modification on : Thursday, November 7, 2019 - 1:42:24 AM

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M. Birlan, V. Plesca, C. Hedwig Gandescu, D. A. Nedelcu, M. Balan, et al.. Observational asset for Near-Earth Objects, artificial satellites, and space debris: an assessment of concept. Romanian Astronomical Journal, 2018. ⟨hal-02350084⟩

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