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Spacecraft information: STTW-4
Launch Details
| Launched | 3 February 1990 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Xichang Launch Facility, PRC |
| Owner | People's Republic of China |
| NORAD ID | 20473 |
| COSPAR ID | 1990-011A |
| Alternative names |
SHIYAN TONGBU TONGXING WEIXING 4 DONG FANG HONG-2A 4 DFH-2A 4 CHINASAT 3 ZHONGXING 3 ZX 3 |
| Observing |
Current orbital elements
| Inclination | 14.240° |
| Eccentricity | 0.00027 |
| RA ascending node | 23.179 hr |
| Argument perigee | 198.258° |
| Mean anomaly | 161.608° |
| Orbital period | 1435.340 min |
| Epoch of osculation | 31 Dec 2025, 11:30 |
Derived Quantities
| Min Altitude | 35767.4 km |
| Mean Altitude | 35778.9 km |
| Peak Altitude | 35790.5 km |
Orbital History
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