TACSAT 4
Launch
Launched on Sep 27, 2011 from Launch Pad 1, United States of America aboard a Minotaur IV+.
Minotaur IV+ | TacSat-4 →Live · TLE epoch 2026-09-08 09:30 UTC
Orbit class
HEO — Highly Elliptical (Molniya, Tundra, GTO)
Operator
United States Government
Country
United States
Manufacturer
—
Launched
Sep 27, 2011
Mass
—
Apogee
12,021 km
Perigee
383 km
Inclination
62.85°
Period
3.90 h
Altitude history
Apogee and perigee for TACSAT 4 across 14 days of archived orbital elements (15 element sets, one per day).
Trend
Stable
Change
-0.4 km
Rate
-0.03 km/day
Now
383 × 12021 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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