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: 845.2 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  5557U 71087A   20333.57980681 +.00000043 +00000-0 +37073-4 0  9991
2  5557 099.1583 321.2014 0051365 354.0756 005.9810 14.27189167551260

Source of the keplerian elements: AFSPC