Canadian Satellite Tracking and Orbit Research (CASTOR) was founded upon many years of astronomical research and satellite tracking experience.

CASTOR is committed to providing inexpensive, reliable and accurate methods of tracking our most important satellites by utilizing professional optical telescopes and research-grade CCD detectors.

CASTOR White Papers

Introductory Letter

CASTOR Advantages

CASTOR Qualifications

The CASTOR Satellite Surveys

Published Research Papers and Articles

Testimonials