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| 轨道参数 | ORBCOMM FM 20 | COSMOS 2251 DEB |
|---|---|---|
| 半长轴 (a) | 7142.490 km | 7158.819 km |
| 偏心率 (e) | 0.000340 | 0.002329 |
| 轨道倾角 (i) | 44.9946° | 74.0323° |
| 升交点赤经 (RAAN) | 314.3419° | 96.2753° |
| 近地点幅角(ω) | 278.8374° | 13.3236° |
| 平近点角 (M) | 81.2089° | 137.5027° |
| 远地点高度(Apogee) | 766.785 km | 797.354 km |
| 近地点高度(Perigee) | 761.921 km | 764.010 km |
| 轨道历元 (Epoch) | 2026-11-02T17:41:51+0000 | 2026-11-02T20:29:41+0000 |
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