Absolute target system enhanced by combining a star sensor...

Details Absolute target system enhanced by combining a star sensor... Absolute target system enhanced by combining a star sensor...

2008-10-10

2010-06-29

Epps, Georgia Y (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

C250S203300, C250S203600, C244S171000

Reexamination Certificate

active

07745768

ABSTRACT:
The present invention relates to an absolute target system intended to be incorporated in observation satellites. To establish an absolute target system provided with maximum accuracy, the present invention proposes coupling a star sensor (4) to an optical metrological system (5N,5R). Since these two items of equipment are normally already on board the satellites, in particular for formation flight missions, this solution adds no extra weight or cost.

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Wielders A et al: “Metrology Concepts for a Space Interferometer Mission: Smart-2” Proceedings of the SPIE, SPIE, Bellingham, VA, vol. 4852, (Feb. 1, 2003), pp. 268-278, XP002422676; ISSN: 0277-786X.
Carl Christian Liebe: “Accuracy Performance of Star Trackers-A Tutorial”; IEEE Transactions on Aerospace and Electronic Systems, vol. 38, No. 2, (Apr. 2002), pp. 587-599, XP002487699.

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