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DUPLEX

SatelliteLEOUnited States
Track DUPLEX live

DUPLEX is a satellite operated by United States, currently in low Earth orbit, around 387 km altitude. It completes one orbit of Earth roughly every 92 minutes at an inclination of 51.6°. It was launched in 1998. Track its live position and see when it passes over your location on azmth.

Orbital data

NORAD ID
66906
COSPAR ID
1998-067XS
Type
Satellite
Orbit
LEO
Perigee (lowest)
387 km
Apogee (highest)
393 km
Inclination
51.63°
Orbital period
92 min
Launch year
1998
Operator
United States

Orbital data from CelesTrak, refreshed every 2 hours. Element epoch: 2026-06-05.

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.

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