OPS 4311 (DMSP 5B F1)

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10-day predictions
OPS 4311 (DMSP 5B F1) is classified as:

• Space & Earth Science

NORAD ID: 5557
Int'l Code: 1971-087A
Perigee: 771.8 km
Apogee: 845.3 km
Inclination: 99.1 °
Period: 100.9 minutes
Semi major axis: 7179 km
RCS: 1.3993 m² (large)
Launch date: October 14, 1971
Source: United States (US)
Launch site: AIR FORCE WESTERN TEST RANGE (AFWTR)

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1  5557U 71087A   18318.87935267 +.00000034 +00000-0 +33120-4 0  9993
2  5557 099.0627 265.3845 0051213 338.5558 021.3476 14.27104515445049

Source of the keplerian elements: AFSPC