COSMOS 251

NORAD 3528 · Payload · Reentered 1968-11-18

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Launched: 1968-10-31 · Baikonur, Kazakhstan
Country / operator: CIS (Russia / CIS)
Object type: Payload
Mass: 430 kg
Size: 1 × 0.4 m
Orbit class: LEO (< 2,000 km)
Perigee × Apogee: 164 × 193 km
Inclination: 64.9°
Period: 87.9 min
Eccentricity: 0.0022
Orbit data: Reconstructed from catalog orbit

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