OPS 4311 (DMSP 5B F1)

NORAD ID: 5557

Int'l Code: 1971-087A

Perigee: 767.9 km

Apogee: 841.2 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   25199.22348557  .00000143  00000-0  75032-4 0  9996
2 05557  99.0262 285.5340 0051098 154.3917 205.9810 14.28300078792761

Source of the keplerian elements: AFSPC