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: 771.4 km
Apogee: 845.1 km
Inclination: 99.2 °
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 05557U 71087A   21027.73143995  .00000011  00000-0  24145-4 0  9990
2 05557  99.1629  24.1801 0051375 179.0112 181.1177 14.27198199559846

Source of the keplerian elements: AFSPC