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THEMIS A

NORAD 30580· COSPAR 2007-004A· Active satellite· Science & Relay· HEO
Launch
Launched on Feb 17, 2007 from Space Launch Complex 17B, United States of America aboard a Delta II 7925-10C.
Delta II 7925-10C | THEMIS
THEMIS A
via Wikimedia Commons
Live · TLE epoch 2026-09-05 01:20 UTC
Orbit class
HEO — Highly Elliptical (Molniya, Tundra, GTO)
Operator
National Aeronautics and Space Administration
Country
United States
Manufacturer
University of California, Berkeley
Launched
Feb 17, 2007
Mass
77 kg
Apogee
78,094 km
Perigee
1,282 km
Inclination
9.24°
Period
1.14 d

Altitude history

Apogee and perigee for THEMIS A across 103 days of archived orbital elements (104 element sets, one per day).

Trend
Stable
Change
-0.2 km
Rate
-0.00 km/day
Now
1282 × 78094 km
39688782521124May 29Sep 9
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.

Launched with

2 other catalogued objects still in orbit from launch 2007-004 (Delta II 7925-10C | THEMIS).

Sources & further reading

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