OPS 4311 (DMSP 5B F1)

NORAD ID: 5557

Int'l Code: 1971-087A

Perigee: 768.5 km

Apogee: 840.7 km

Inclination: 99.0 °

Period: 100.8 minutes

Semi major axis: 7175 km

RCS: 1.3993 m² (large)

Launch date: October 14, 1971
Source: United States (US)
Launch site: AIR FORCE WESTERN TEST RANGE (AFWTR)

Your satellite tracking list

Two Line Element Set (TLE):

1 05557U 71087A   25183.81177243  .00000153  00000-0  79149-4 0  9990
2 05557  99.0264 269.6017 0050285 198.8269 161.1052 14.28293938790560

Source of the keplerian elements: AFSPC