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 2026-10-23 12:58 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
378 km
Inclination
62.86°
Period
3.90 h
Altitude history
Apogee and perigee for TACSAT 4 across 59 days of archived orbital elements (60 element sets, one per day).
Trend
Decaying
Change
-2.7 km
Rate
-0.05 km/day
Now
378 × 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.
Related satellites
Sources & further reading
Embed this satellite on your site
Free for editorial use. Attribution back to LowEarth is required.
<iframe src="https://lowearth.app/embed/37818" width="640" height="400" frameborder="0" allow="fullscreen"></iframe>