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多渠道服务支持
| 轨道参数 | COSMOS 1821 | TBA - TO BE ASSIGNED |
|---|---|---|
| 半长轴 (a) | 7363.536 km | 7201.681 km |
| 偏心率 (e) | 0.003794 | 0.020472 |
| 轨道倾角 (i) | 82.9089° | 98.0962° |
| 升交点赤经 (RAAN) | 101.1971° | 299.2612° |
| 近地点幅角(ω) | 58.6170° | 296.6851° |
| 平近点角 (M) | 104.4412° | 61.3497° |
| 远地点高度(Apogee) | 1013.337 km | 970.978 km |
| 近地点高度(Perigee) | 957.461 km | 676.110 km |
| 轨道历元 (Epoch) | 2026-09-15T02:02:07+0000 | 2026-09-14T08:54:49+0000 |
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