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SHIYAN-1
Launch Details
| Launched | 17 April 2004 |
| Flight ended | – |
| Status | Operational |
| Categories |
Earth Resources
Active satellites |
| Launch site | Xichang Launch Facility, PRC |
| Owner | People's Republic of China |
| NORAD ID | 28220 |
| COSPAR ID | 2004-012A |
| Alternative names |
SY-1 TANSUO 1 TS-1 |
| Observing |
Current orbital elements
| Inclination | 97.907° |
| Eccentricity | 0.00055 |
| RA ascending node | 20.971 hr |
| Argument perigee | 261.146° |
| Mean anomaly | 98.915° |
| Orbital period | 94.429 min |
| Epoch of osculation | 15 Sep 2025, 02:30 |
Derived Quantities
| Min Altitude | 494.3 km |
| Mean Altitude | 498.1 km |
| Peak Altitude | 501.8 km |
Orbital History
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