BEIDOU-2 IGSO-4 (C09)
NORAD 37763· COSPAR 2011-038A· Navigation· IGSO
Launch
Launched on Jul 26, 2011 from Launch Complex 3 (LC-3/LA-1), China aboard a Long March 3A.
Long March 3A | Compass-IGSO-4 →Live · TLE epoch 2026-09-04 17:42 UTC
Orbit class
IGSO — Inclined Geosynchronous (BeiDou / QZSS, figure-8 ground track)
Operator
CNSA
Country
China
Manufacturer
CAST
Launched
Jul 26, 2011
Mass
—
Apogee
36,472 km
Perigee
35,117 km
Inclination
54.60°
Period
23.94 h
Part of the BeiDou constellation · this satellite is one of 56
Chinese navigation constellation. Mix of MEO, GEO, and IGSO.
Altitude history
Apogee and perigee for BEIDOU-2 IGSO-4 (C09) across 103 days of archived orbital elements (105 element sets, one per day).
Trend
Raising
Change
+5.6 km
Rate
+0.05 km/day
Now
35117 × 36472 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
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