Telemetry-Based Estimate of Orientation Accuracy for the Tat'yana-2 Satellite / Aleksandrov V.V., Belen'kii A.D., Bugrov D.I., Lebedev A.V., Lemak S.S., Guerrero Sanchez W.F. // Vestnik Moskovskogo Universiteta. Seriya 1. Matematika. Mekhanika. 2011. ? 3. P. 69-72 [Moscow Univ. Mech. Bulletin. Vol. 66, N 3, 2011.].

Some results of processing the data registered by the Moscow University satellite named Tat'yana-2 are discussed. An estimate for the course angle in the process of the satellite orientation with respect to the Earth is obtained. The predicted angular motion of the satellite and the telemetry data are compared. An improved algorithm for the orientation with respect to the Earth is proposed for small satellites to enhance the orientation accuracy when the course angle is arbitrary. A possibility of using the micro vibratory gyroscopes to control the orientation of small satellites is estimated.

Key words: yaw angle estimation, orientation control algorithm, micro vibratory gyroscope.