Self-shadowing of a spacecraft in the computation of surface forces. An example in planetary geodesy

• Autorzy: Balmino G. , Marty J. C.

Identyfikatory

DOI

10.2478/arsa-2018-0002

• Języki publikacji: EN

Abstrakty

EN

We describe in details the algorithms used in modelling the self-shadowing between spacecraft components, which appears when computing the surface forces as precisely as possible and especially when moving parts are involved. This becomes necessary in planetary geodesy inverse problems using more and more precise orbital information to derive fundamental parameters of geophysical interest. Examples are given with two Mars orbiters, which show significant improvement on drag and solar radiation pressure model multiplying factors, a prerequisite for improving in turn the determination of other global models.

Słowa kluczowe

EN

surface force; self-shadowing; polyhedral decomposition; pixelation; Mars planet

• Wydawca: Centrum Badań Kosmicznych PAN ; De Gruyter
• Czasopismo: Artificial Satellites : Journal of Planetary Geodesy
• Rocznik: 2018
• Tom: Vol. 53, No. 1
• Strony: 1--27
• Opis fizyczny: Bibliogr. 211 poz., rys., tab.

Twórcy

autor

Balmino G.

• Centre National d’Etudes Spatiales Groupe de Recherches de Geodesie Spatiale 18, Avenue Edouard Belin, 31401 Toulouse Cedex 9, France, Tel.: [phone]

autor

Marty J. C.

• Centre National d’Etudes Spatiales Groupe de Recherches de Geodesie Spatiale 18, Avenue Edouard Belin, 31401 Toulouse Cedex 9, France, Tel.: [phone]

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).