GEO/HEO scanner, DSP style, 10s scan interval, no heading info, cannot classify (only for launch detection).
DSP satellites spin 6 times every minute to have its sensors cover different areas.
GEO/HEO scanner, 2s scan interval, can produce heading info, cannot classify (only for cuing radars if not equipped with starer), continuous tracking.
Modern SBIR satellites.
GEO/HEO starer, 10s scan interval, can produce heading info/classify, no continuous tracking.
Modern SBIR satellites, cannot track midcourse.
GEO/HEO starer (Advanced), 10s scan interval, no continuous tracking.
Higher sensitivity. Capability range from detection and cuing radar tracking for HGV/RAM to CM/AAM detection (no tracking) and IR event indication^SBIRS
LEO (~1000km) scanner, WFOV, 2s scan interval, no heading info, continuous tracking.
Modern, STSS/WFOV testbed. Only for cuing.
LEO are also for SSO
LEO (~1000km) scanner, MFOV, 10s scan interval, no continuous tracking.
Modern, STSS/WFOV testbed. Can independently produce FC data for BM midcourse defense, HGV detection and tracking(no FC). ^STSS
LEO (~1000km) (Advanced) scanner, WFOV, 2s scan interval, continuous tracking.
Modern, SDA Tranche 0, detection and tracking, cueing for HGV (no FC), FC for BM, detection for HCM, RAM, CM and AAM.
LEO (~1000km) (Advanced) scanner, MFOV, 2s scan interval, continuous tracking.
Modern, HBTSS. "Birth to death" detection and tracking (FC data) of HGV. HCM, RAM, CM and AAM/IIR.
LEO (~500km) scanner, 10s scan interval, no heading info, cannot classify.
Early LEO with IR.
LEO (~500km) scanner, IIR capability (surface search). 10s scan interval, no heading info, cannot classify.