FIELD: space technology. SUBSTANCE: device has flexible removable members, means of damping of spacecraft angular speed relative to roll and/or yawing motion channels. Cross section of flexible removable member is characterized by non-equal main moments of inertia and is arranged in parallel with vector of bending moment originating with oscillating angular motion of spacecraft round axis of pitching motion and is turned around axis which is perpendicular to plane of cross section to a calculated angle. In this case calculated value of angle between main axis of inertia of cross section and structural axis of spacecraft being in parallel with vector of bending moment is bigger than zero but smaller than angle between neighboring main central axes of inertia of cross section. In the process of maintenance of orbital orientation of spacecraft cross sections of two or more flexible removable members symmetrically mounted relative to center of masses of spacecraft are turned round axis which is perpendicular to plane of cross section for the same angle and to the same side round axis directed from the center of masses of spacecraft to point of fastening of member on the spacecraft body. During maintenance of orientation with application of linear control effect to body of spacecraft, for example, during correction of orbit cross sections of two or more flexible removable members mounted symmetrically relative to center of masses of spacecraft are turned round axis perpendicular to plane of cross section to the same angle and in opposite sides relative to axis directed from center of masses of spacecraft to point of fastening of removable member on the spacecraft body. Means of damping of angular speed of spacecraft motion relative to channels of rolling and/or yawing is in the form of flywheel with zero angular speed of rotation connected via single-axle flexible-viscous frame-like suspension to the spacecraft body. Axis of rotation of the flywheel in non-deviated position is arranged relative to structural axis of pitching and axis of rotation of frame-like suspension is aligned with plane formed by structural axes of rolling and yawing and is installed at as angle of 45 deg relative to structural axes of rolling and yawing. EFFECT: enhanced stabilization reliability. 4 cl, 4 dwg
