Back to catalog
OPS 4311
DMSP 5B F1
AliveWeatherSSO
NORAD 5557·PAYLOAD·🇺🇸 United States
Launched Oct 14, 1971 from Vandenberg Space Force Base
Next Passes (next 24 hours)
Epoch: Oct 28, 2026, 13:34 UTC
1 05557U 71087A 26301.56536896 .00000095 00000-0 56090-4 0 9993 2 05557 99.0278 48.4730 0049495 242.4246 117.1902 14.28561991859481
Track OPS 4311 in real time with AllMySat