OBSOLETE. A satellite-borne electro-optic tracking and surveillance system in medium earth orbit. The satellites would track targets from medium earth orbits against a cold space background and near the earth limb. Individual objects state vectors would be generated from correlated information from two or more sensors. (Predecessor to Brilliant Eyes (BE).
- Browse Related Terms: Constellation Size (CSIZE), ELS, GEO, HEO, LEO, Low Earth Orbit (LEO), MEO, MOLNIYA Orbit, Orbiting Debris, SBIRS GEO, SBIRS HEO, SBIRS LEO, Space Based Infrared System (SBIRS), Space-Based Interceptor (SBI), Space-Based Surveillance and Tracking System (SSTS)