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: 771.9 km
Apogee: 844.5 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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Your satellite tracking list

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1 05557U 71087A   21107.93293597  .00000030  00000-0  31696-4 0  9995
2 05557  99.1690 108.2152 0050596 310.1904  49.4851 14.27210583571287

Source of the keplerian elements: AFSPC