CZ-4B R/B
Launch
Launched on Oct 21, 2003 from Launch Complex 7, China aboard a Long March 4B.
Long March 4B | Zi Yuan 1-2 →Live · TLE epoch 2026-09-08 13:43 UTC
Orbit class
SSO — Sun-Synchronous (LEO at 96–102° inclination)
Operator
Chinese Government
Country
China
Manufacturer
CASC
Launched
Oct 21, 2003
Mass
—
Apogee
748 km
Perigee
679 km
Inclination
98.70°
Period
1.65 h
Altitude history
Apogee and perigee for CZ-4B R/B across 103 days of archived orbital elements (105 element sets, one per day).
Trend
Stable
Change
-0.2 km
Rate
-0.00 km/day
Now
679 × 748 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.
Launched with
One other catalogued object still in orbit from launch 2003-049 (Long March 4B | Zi Yuan 1-2).
- CHUANGXIN 1 (CX-1) · 28058
Sources & further reading
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