OPS 4311 (DMSP 5B F1)

NORAD ID: 5557

Int'l Code: 1971-087A

Perigee: 769.8 km

Apogee: 842.8 km

Inclination: 99.1 °

Period: 100.9 minutes

Semi major axis: 7177 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  5557U 71087A   24120.45399680  .00000394  00000-0  17627-3 0  9990
2  5557  99.0630 185.0789 0050851   2.0730 358.0651 14.27768556729557

Source of the keplerian elements: AFSPC