OPS 5712 (P/L 153)

MilitaryLEOUnited States

OPS 5712 (P/L 153) is a military satellite, as listed in Jonathan McDowell's GCAT catalogue, with ownership listed as United States in CelesTrak's catalogue, currently in low Earth orbit, around 907 km altitude. It completes one orbit of Earth roughly every 103 minutes at an inclination of 70.0°. It was launched in 1967. Track its live position and see when it passes over your location on azmth.

Orbital data

NORAD ID: 2874
COSPAR ID: 1967-053H
Type: Military
Orbit: LEO
Perigee (lowest): 907 km
Apogee (highest): 916 km
Inclination: 69.97°
Orbital period: 103 min
Launch year: 1967
Owner (CelesTrak): United States

Orbital data updated: 2026-10-18 · from CelesTrak, refreshed every 2 hours.

Who operates it

United StatesLIVEMission ended 1973

Signals intelligence

GCAT lists it as NRL PL153.

Independent assessment

GCAT classes it as a military satellite for signals intelligence and records its mission as ended in 1973 (17 Oct 2026).

Data: GCAT · CC BY 4.0 Class, mission and status adapted from GCAT by Jonathan McDowell, CC BY 4.0, data update 17 Oct 2026.

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About LEO orbit

Low Earth Orbit. Up to 2,000 km altitude. Where most satellites live including the ISS (~420 km), Starlink (~550 km), and Earth observation. Orbital period roughly 90 minutes.