USA 521

NORAD 63596 · Payload · In orbit since 2025

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Launched: 2025-04-16 · Vandenberg, USA
Country / operator: US (United States)
Object type: Payload
Purpose: Signals intelligence
Mass: 250 kg
Size: 3 × 2 m · 10 m deployed
Orbit class: LEO (< 2,000 km)
Perigee × Apogee: 1,092 × 1,137 km
Inclination: 63.4°
Period: 107.4 min
Eccentricity: 0.0030
Orbit data: Reconstructed from catalog orbit

Mass, size and purpose from GCAT (J. McDowell, CC BY 4.0).

Same launch

Other objects cataloged from the same launch day and site: co-passengers and the rocket body.