YAOGAN-12
Launch
Launched on Nov 9, 2011 from Launch Complex 9, China aboard a Long March 4B.
Long March 4B | Yaogan 12 & Tianxun-1 →Live · TLE epoch 2026-10-23 22:53 UTC
Orbit class
SSO — Sun-Synchronous (LEO at 96–102° inclination)
Operator
Chinese Government
Country
China
Manufacturer
—
Launched
Nov 9, 2011
Mass
—
Apogee
494 km
Perigee
479 km
Inclination
97.10°
Period
1.57 h
Altitude history
Apogee and perigee for YAOGAN-12 across 59 days of archived orbital elements (60 element sets, one per day).
Trend
Decaying
Change
-1.4 km
Rate
-0.02 km/day
Now
479 × 494 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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