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Attitude Determination & Control

Assembly

Sensors and reaction wheels that keep the antenna farm pointed at Earth centre to within 0.1° while the arrays track the Sun. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Attitude Determination & Control parts and their functions

5 top-level parts · 429 parts in total · full bill of materials below
Attitude Determination & Control parts diagram: 1 reaction wheel assembly, 2 star tracker, 3 inertial measurement unit, 4 attitude control computer, 5 magnetorquer rod. 429 parts in 5 top-level items.
Attitude Determination & Control parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Reaction Wheel Assembly 4 parts 4× Momentum exchange (3 + 1 spare)
2 Star Tracker 4 parts 2× Stellar attitude sensors
3 Inertial Measurement Unit 1× Inertial measurement unit
4 Attitude Control Computer 4 parts 1× Attitude control computer
5 Magnetorquer Rod 3× Wheel desaturation torquers

3D model

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Build & assembly graph

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Bill of materials for Attitude Determination & Control

5 top-level lines · 24 rows shown · 429 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Reaction Wheel Assembly 4 parts gps-satellite-reaction-wheel 4× 4 27 assembly
1.1 Stator Assembly 3 parts stator-assembly 1× 4 3 assembly
1.1.1 Stator Core (laminations) stator-core 1× 4 · part
1.1.2 Copper Winding copper-winding 1× 4 · part
1.1.3 Slot Insulation stator-insulation 1× 4 · part
1.2 Rotor Assembly 4 parts rotor-assembly 1× 4 19 assembly
1.2.1 Rotor Shaft rotor-shaft 1× 4 · part
1.2.2 Rotor Core rotor-core 1× 4 · part
1.2.3 Neodymium Magnet neodymium-magnet 16× 64 · part
1.2.4 Ball Bearing ball-bearing 1× 4 · part
1.3 Ball Bearing ball-bearing 2× 8 · part
1.4 Hall Sensor hall-sensor 3× 12 · part
2 Star Tracker 4 parts gps-satellite-star-tracker 2× 2 4 assembly
2.1 CMOS Image Sensor image-sensor 1× 2 · part
2.2 Lens Assembly camera-lens 1× 2 · part
2.3 Bare PCB pcb-bare 1× 2 · part
2.4 Compute SoC Module soc-module 1× 2 · part
3 Inertial Measurement Unit gps-satellite-imu 1× 1 · part
4 Attitude Control Computer 4 parts gps-satellite-adcs-computer 1× 1 309 assembly
4.1 Bare PCB pcb-bare 2× 2 · part
4.2 Compute SoC Module soc-module 1× 1 · part
4.3 SMD Passive (R/C/L) smd-passives 300× 300 · part
4.4 Connector connector 6× 6 · part
5 Magnetorquer Rod gps-satellite-magnetorquer 3× 3 · part

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Where the attitude determination & control is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

GPS Navigation Satellite

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗ 		Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Flex (Singapore)
flex.com ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks
🇮🇳Dixon Technologies
dixoninfo.com ↗ 		Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
🇨🇳BYD Electronics
bydelectronic.com ↗ 		Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks