OPS 5390 (DMSP 5D-1 F4)

NORAD 11389 · Payload · In orbit since 1979

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Launched: 1979-06-06 · Vandenberg, USA
Country / operator: US (United States)
Object type: Payload
Purpose: Meteorology
Mass: 447 kg
Size: 6.1 × 1.5 m
Orbit class: LEO (< 2,000 km)
Perigee × Apogee: 785 × 803 km
Inclination: 98.6°
Period: 100.6 min
Eccentricity: 0.0013
Orbit data: Reconstructed from catalog orbit

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