SHIJIAN-21 (SJ-21)
Launch
Launched on Oct 24, 2021 from Launch Complex 2 (LC-2), China aboard a Long March 3B/E.
Long March 3B | Shijian 21 →Live · TLE epoch 2026-09-08 13:31 UTC
Orbit class
GEO — Geostationary (~35,786 km, equatorial)
Operator
Chinese Government
Country
China
Manufacturer
—
Launched
Oct 24, 2021
Mass
—
Apogee
36,022 km
Perigee
35,569 km
Inclination
5.31°
Period
23.94 h
Altitude history
Apogee and perigee for SHIJIAN-21 (SJ-21) across 103 days of archived orbital elements (105 element sets, one per day).
Trend
Raising
Change
+3.7 km
Rate
+0.04 km/day
Now
35569 × 36022 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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Sources & further reading
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