OPS 4311 (DMSP 5B F1)

NORAD ID: 5557

Int'l Code: 1971-087A

Perigee: 768.2 km

Apogee: 840.9 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   25190.81710489  .00000124  00000-0  67641-4 0  9995
2 05557  99.0265 276.8437 0050662 178.5432 181.5904 14.28296669791560

Source of the keplerian elements: AFSPC