BEIDOU-3S IGSO-2S (C56)
NORAD 40938· COSPAR 2015-053A· Navigation· IGSO
Launch
Launched on Sep 29, 2015 from Launch Complex 3 (LC-3/LA-1), China aboard a Long March 3B/E.
Long March 3B/E | BDS I2-S →Live · TLE epoch 2026-10-23 20:48 UTC
Orbit class
IGSO — Inclined Geosynchronous (BeiDou / QZSS, figure-8 ground track)
Operator
CNSA
Country
China
Manufacturer
CAST
Launched
Sep 29, 2015
Mass
—
Apogee
36,067 km
Perigee
35,519 km
Inclination
49.03°
Period
23.93 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-3S IGSO-2S (C56) across 148 days of archived orbital elements (150 element sets, one per day).
Trend
Decaying
Change
-3.0 km
Rate
-0.02 km/day
Now
35519 × 36067 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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