Rocket Lab Space Systems Canada’s Tech

Medium-spacecraft reaction wheel family

Satellite attitude-control reaction wheel

Evidence strength: Moderate

Rocket Lab's Toronto operation develops digitally controlled, vacuum-lubricated reaction wheels for satellite attitude control and is extending the family to higher-momentum units for medium-sized spacecraft.

Core features

Built-in digital processor and telemetry
Vacuum-lubricated mechanism
Radiation-resilient product variants
Momentum and torque control across multiple spacecraft classes

Defence applications

Satellite attitude control
Earth-observation spacecraft
Telecommunications constellations
Space situational-awareness platforms

Reaction wheelAttitude determination and controlSatellite componentsRadiation resilienceSpacecraft

Explore this technology

See the missions and released public needs worth exploring

Where this technology may help

Our assessmentLimited public evidence

Arctic Domain Awareness

Reaction wheels are enabling components for stable pointing of Earth-observation and communications satellites, but the public Canadian project is not tied to an Arctic sensor, constellation or mission.

Supporting sourcesRocket Lab reaction wheels

This is a reviewed public-source assessment. It is not procurement eligibility, endorsement, customer interest, or classified demand.

2 public sources

What supports this profile

Reaction Wheel Development for Medium-Sized New-Space Satellite Platforms
Government of Canada · award or contract
A Canadian Space Agency contribution running to March 2027 supports development of a higher-capacity reaction wheel for medium-sized satellite platforms at Rocket Lab's Toronto division.
Rocket Lab reaction wheels
Rocket Lab · official company product
Reaction wheels are enabling components for stable pointing of Earth-observation and communications satellites, but the public Canadian project is not tied to an Arctic sensor, constellation or mission.

What remains unknown

Public sources do not establish procurement eligibility, endorsement, or operational suitability.

North Signal · Weekly briefing

See what Canada is building next.

One concise weekly briefing on newly mapped Canadian capabilities, released public needs and the connections worth watching.

Weekly. Evidence-led. Unsubscribe anytime.

Rocket Lab Space Systems Canada

Contact