Ballistics, navigation, and motion control for a spacecraft during its landing on the surface of Phobos

Basic concepts and algorithms laid as foundations of the scheme of landing on the Martian moon Phobos (developed for the Phobos-Grunt project) are presented. The conditions ensuring the landing are discussed. Algorithms of onboard navigation and control are described. The equations of spacecraft mot...

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Bibliographic Details
Published in:	Cosmic research Vol. 47; no. 4; pp. 299 - 309
Main Authors:	Akim, E. L., Arkhangelsky, R. N., Zaiko, Yu. K., Lavrenov, S. M., Poroshin, A. L., Ruzsky, E. G., Stepaniants, V. A., Tuchin, A. G., Tuchin, D. A., Fedotov, V. P., Yaroshevsky, V. S.
Format:	Journal Article
Language:	English
Published:	Dordrecht SP MAIK Nauka/Interperiodica 01-08-2009 Springer Nature B.V
Subjects:	Algorithms Astronomy Astrophysics and Astroparticles Astrophysics and Cosmology Physics Physics and Astronomy Space Exploration and Astronautics Space Sciences (including Extraterrestrial Physics 45.40.Gj
Online Access:	Get full text
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Summary:	Basic concepts and algorithms laid as foundations of the scheme of landing on the Martian moon Phobos (developed for the Phobos-Grunt project) are presented. The conditions ensuring the landing are discussed. Algorithms of onboard navigation and control are described. The equations of spacecraft motion with respect to Phobos are considered, as well as their use for correction of the spacecraft motion. The algorithm of estimation of the spacecraft’s state vector using measurements with a laser altimeter and Doppler meter of velocity and distance is presented. A system for modeling the landing with a firmware complex including a prototype of the onboard computer is described.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0010-9525 1608-3075
DOI:	10.1134/S0010952509040054