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BB4

SatelliteLEOPolarUnited States
Track BB4 live

BB4 is a satellite operated by United States, currently in low Earth orbit, around 786 km altitude. It completes one orbit of Earth roughly every 101 minutes at an inclination of 81.0°. It was launched in 2023. Track its live position and see when it passes over your location on azmth.

Orbital data

NORAD ID
57757
COSPAR ID
2023-133B
Type
Satellite
Orbit
LEO
Perigee (lowest)
786 km
Apogee (highest)
799 km
Inclination
81.00°
Orbital period
101 min
Launch year
2023
Operator
United States

Orbital data from CelesTrak, refreshed every 2 hours. Element epoch: 2026-06-04.

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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