Spacecraft orientation and stabilization system
- Purpose: The spacecraft orientation and stabilization system is designed for the following tasks: - the initial stabilization of damping while separation of spacecraft from upper stage- securing spacecraft to an oriented state- maintaining the spacecraft in an oriented state- orientation of the spacecraft with specified accuracy during performing target operations- programmable turns and u-turns of spacecraft- restoring the orientation of the spacecraft- ensuring the energy level
- Year of release: 2019
- Estimated production / delivery time (months): 24
- Flight qualification of the product: Yes
- Brief history of flight qualification: "Condor-E" spacecraft
- Possibility to adapt the product to customer requirements: Yes
| Parameter | Value |
|---|---|
| Orbit | MEO |
| Weight without connecting harnesses | 50 kg |
| The accuracy of orientation determination | 1 angular minute |
| Accuracy of orientation maintenance | 3 angular minutes |
| Discrepancy in | 2 angular minutes |
| Discrepancy in indicating the flight attitude of the associated axes of the spacecraft relative to the ICS (Inertial Coordinate System) during target operations | 20 angular seconds when using two SCMU (Stars Coordinate Measurement Unit) devices |
| Stability | 0,001 degree per second |
| Working supply voltage | 27 V |
| Average orbit pass energy consumption | 120 W |
| Time of establishing the orbital orientation on Control Engines of Momentum Wheels | ≤ 2 hours |
| Time of establishing the orbital orientation on Liquid Rocket Engines (LRE) | ≤ 0.5 hours |
| Information exchange channel with Self-monitoring Execution Block | GOST R 52070-2003 |
High-precision orientation and stabilization system for medium-orbit spacecraft with moments of inertia from 100 to 5000 kg·m².
Features:
- three-circuit system of electrical reaction wheel type with a magnetic way to reset the kinetic moment and control of Liquid Rocket Engines (LRE).
- designed for leaky compartments
- information interaction is provided by means of a redundant bus of the Multiplex Information Exchange Channel (MIEC)
Remark
Made on the radiation-resistant element base of Russian rocket and space industry production
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