OPS 5644 (DMSP 5D-1 F2)

NORAD 10033 · Payload · In orbit since 1977

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Launched: 1977-06-05 · 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: 759 × 815 km
Inclination: 99.1°
Period: 100.4 min
Eccentricity: 0.0039
Orbit data: Reconstructed from catalog orbit

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