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: 772.4 km
Apogee: 844.8 km
Inclination: 99.0 °
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   18227.87440890 +.00000012 +00000-0 +24278-4 0  9995
2  5557 099.0485 171.1918 0050425 239.4897 120.1299 14.27092738432067

Source of the keplerian elements: AFSPC