SHIYAN-4 (SY-4)
Launch
Launched on Nov 20, 2011 from Launch Area 94 (SLS-2 / 603), China aboard a Long March 2D.
Long March 2D | Shiyan Weixing 4 & Chuang Xin 1C →Live · TLE epoch 2026-09-08 14:04 UTC
Orbit class
SSO — Sun-Synchronous (LEO at 96–102° inclination)
Operator
Chinese Government
Country
China
Manufacturer
—
Launched
Nov 20, 2011
Mass
—
Apogee
808 km
Perigee
777 km
Inclination
98.69°
Period
1.68 h
Altitude history
Apogee and perigee for SHIYAN-4 (SY-4) across 14 days of archived orbital elements (15 element sets, one per day).
Trend
Stable
Change
-0.0 km
Rate
-0.00 km/day
Now
777 × 808 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 2011-068 (Long March 2D | Shiyan Weixing 4 & Chuang Xin 1C).
- CHUANGXIN 1-03 (CX-1-03) · 37930
Sources & further reading
Embed this satellite on your site
Free for editorial use. Attribution back to LowEarth is required.
<iframe src="https://lowearth.app/embed/37931" width="640" height="400" frameborder="0" allow="fullscreen"></iframe>