DMSP 5D-3 F17 (USA 191)
Launch
Launched on Nov 4, 2006 from Space Launch Complex 6, United States of America aboard a Delta IV M.
Delta IV M | DMSP F-17 →Live · TLE epoch 2026-09-08 14:36 UTC
Orbit class
SSO — Sun-Synchronous (LEO at 96–102° inclination)
Operator
United States Government
Country
United States
Manufacturer
—
Launched
Nov 4, 2006
Mass
—
Apogee
854 km
Perigee
839 km
Inclination
98.74°
Period
1.70 h
Altitude history
Apogee and perigee for DMSP 5D-3 F17 (USA 191) across 103 days of archived orbital elements (105 element sets, one per day).
Trend
Stable
Change
-0.1 km
Rate
-0.00 km/day
Now
839 × 854 km
Apogee Perigee
Derived from our own archive of CelesTrak orbital elements, sampled every 3 hours. Short windows show drag and station-keeping; they are not a reentry prediction.
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