Small Satellite Bus Platforms

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MAC-100 Microsatellite

Flight-Proven Microsatellite Bus for Low-Cost Missions

Originally developed for the SCISAT-1 mission, the MAC-100 is a single-string microsatellite bus platform designed for responsive low-cost missions with lifetimes on the order of two years.

Key features of the spacecraft include:
  • Accommodations for payloads up to 50 kg
  • Low power consumption
  • Radiation-tolerant command and data handling (C&DH)
  • A flight-proven attitude determination and control architecture,
  • High-rate data downlink compatible with industry-standard CCSDS protocols.

The MAC-100 is a flight-proven microsatellite bus for responsive low-cost missions.

MAC-200 Small Satellite

Flight-Proven Small Satellite Bus with a Flexible Architecture to Enable Diverse Mission Needs

The MAC-200 small satellite bus has a flexible, fully redundant architecture with standard interfaces that can be tailored to meet mission-specific requirements while providing high reliability for mission lifetimes of seven years or more.

Key features include:
  • Accommodations for payloads up to 500 kg
  • Radiation-tolerant command and data handling (C&DH)
  • High-performance three-axis attitude control
  • High-rate CCSDS-compatible downlink

The MAC-200 smallsat bus was selected for CASSIOPE and the RADARSAT Constellation Mission.