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| 轨道参数 | COSMOS 397 DEB * | SHIYAN 4 (SY-4) |
|---|---|---|
| 半长轴 (a) | 7138.509 km | 7165.980 km |
| 偏心率 (e) | 0.003607 | 0.002357 |
| 轨道倾角 (i) | 66.6625° | 98.6913° |
| 升交点赤经 (RAAN) | 224.6851° | 309.9310° |
| 近地点幅角(ω) | 298.5054° | 143.7329° |
| 平近点角 (M) | 61.2418° | 29.3144° |
| 远地点高度(Apogee) | 786.120 km | 804.732 km |
| 近地点高度(Perigee) | 734.624 km | 770.954 km |
| 轨道历元 (Epoch) | 2026-10-18T05:09:28+0000 | 2026-10-17T19:40:37+0000 |
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