OPTICUBE 04

MilitaryLEOSSOPolarUnited States

OPTICUBE 04 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 532 km altitude. It completes one orbit of Earth roughly every 95 minutes at an inclination of 98.1°. It was launched in 2016. Track its live position and see when it passes over your location on azmth.

Orbital data

NORAD ID: 41851
COSPAR ID: 2016-067D
Type: Military
Orbit: LEO
Perigee (lowest): 532 km
Apogee (highest): 555 km
Inclination: 98.05°
Orbital period: 95 min
Launch year: 2016
Owner (CelesTrak): United States

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

Who operates it

United StatesLIVEMission ended 11 Nov 2016

Calibration target

Independent assessment

GCAT classes it as a military satellite for calibration and records its mission as ended on 11 Nov 2016 (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.

Military satellites, counted and explained →

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.