The MAI-400 is a complete, compact 1/2U (10cm x 10cm x 5.16cm) Attitude Determination and Control System featuring three reaction wheels, a 3-axis magnetometer, three electromagnets, an ADACS computer and your choice of two sensors: Star Trackers, IR Earth Horizon Sensors (IREHS), Sun Sensors or any combination of each.

The form factor is compatible with the CubeSat standard and can be placed either at the bottom or the top of a CubeSat stack. It also has cable channels for customer cable “feed-arounds”. 

ADACS
in Orbit

Our Attitude Determination and Control Systems have logged over two decades on-orbit.

The ADACS Experts with 
150 Units Delivered
and over 25 years on orbit
MAI-400
  • Dimensions: 10 x 10 x 5.16 cm

  • Mass: 694 g

  • Momentum Storage @10000 RPM: 11.076 mNms

  • Max Torque: 0.635 mNm

  • Magnetic Dipole Moment: 0.108 (0.15 @72% Duty Cycle) Am2

  • Magnetometer:  +/- 900 µT

  • Operating Voltage: 5 V

Power Consumption: 

  •     Input: 5V

  •     Minimum Power: 0.82 W (0.164 A)

  •     Avg. Power Use in Nadir Pointing: 1.13 W (0.226 A)

  •     1 RW Low Speed Max Torque Power Use: 2.05 W (0.41 A)

  •     1 RW High Speed Max Torque Power Use: 1.10 W (0.22 A)

 

Command/TLM Interface: RS-232, SCI/UART (0 – 3.3 V)

Sun Sensor Interface 6 Analog Channels (0 – 3.3 V)

Operating Temperature: -20 to 60 °C

Launch Environment Vibration Spec: 14 G rms

*Specifications based on standard MAI-400 Equipment of 1 ADACS computer, 3 reaction wheels, 3 electromagnets, 2 IREHS and a 3-axis magnetometer. Your order may differ.

ADACS Specifications - MAI 400

MAI-500
Self Contained ADACS Units for CubeSats and SmallSats

Dimensions: 10 x 10 x 5.16 cm

Mass: 694 g

Dimensions: 10 x 10 x 5.59 cm

Mass: 694 g

0.6U ADACS with 2 Star Trackers

1/2U ADACS 

The MAI-500 is a 0.6U (10cm x 10cm x 5.59cm) Attitude Determination and Control System featuring three reaction wheels, a 3-axis magnetometer, one or two Star Trackers, three electromagnets and an ADACS computer for a stand-alone, Plug-and-Play attitude control system for small satellites.

 

The configuration is compatible with the CubeSat standard. It can be placed either at the bottom or the top of a CubeSat stack. The Star Trackers are angled upward at 24 degrees. Other mounting angles are available.

  • Dimensions: 10 x 10 x 5.59 cm

  • Mass: 694 g

  • Momentum Storage @10000 RPM: 11.076 mNms

  • Max Torque: 0.635 mNm

  • Magnetic Dipole Moment: 0.108 (0.15 @72% Duty Cycle) Am2

  • Magnetometer:  +/- 900 µT

  • Operating Voltage: 5 V

Power Consumption: 

  •     Minimum Power 1.82 W (0.164 A)

  •     Avg. Power Use in Nadir Pointing: 2.13 W (0.226 A)

  •     1 RW Low Speed Max Torque Power Use: 3.05 W (0.41 A)

  •     1 RW High Speed Max Torque Power Use: 2.10 W (0.22 A)

  •      Max Instantaneous Current: 1.603 A

 

Command/TLM Interface: RS-232, SCI/UART (0 – 3.3 V)

Sun Sensor Interface 6 Analog Channels (0 – 3.3 V)

Operating Temperature: -40 to 60 °C

Launch Environment Vibration Spec: 14 G rms

In accordance the SBA Policy Directive Sec 4 (c) (2), any procurement by US Government Entities is an SBIR Phase III award that is derived from, extends, or completes efforts made under prior SBIR funding agreements and is authorized under 10 U.S.C. 2304(b)(2) or 41 U.S.C. 3303(b) with no further competition pursuant to FAR 6.302-5.

ADACS Specifications - MAI 400

Maryland Location:

2145 Priest Bridge Dr, Ste15
Crofton, MD 21114

Telephone: (410) 451-2505
Fax: (410) 451-2507

Massachusetts Location:

669 Forest Street
Marlborough, MA 01752

Telephone: (508) 485-9100
Fax: (508) 481-6142

Start your mission:

discover@adcolemai.com

Adcole - Established 1957: From the dawn of the space age to the forefront of the New Space Revolution. 

Heritage and mission History 

Reliable, affordable SmallSats, CubeSats , ADACS and New Space components.