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| 轨道参数 | SHIYAN 21 (SY-21) | STARLINK-35642 |
|---|---|---|
| 半长轴 (a) | 6859.643 km | 6840.847 km |
| 偏心率 (e) | 0.002550 | 0.000179 |
| 轨道倾角 (i) | 35.9918° | 53.1598° |
| 升交点赤经 (RAAN) | 38.3737° | 272.4766° |
| 近地点幅角(ω) | 222.1893° | 90.2159° |
| 平近点角 (M) | 137.6879° | 269.9049° |
| 远地点高度(Apogee) | 498.997 km | 463.934 km |
| 近地点高度(Perigee) | 464.015 km | 461.486 km |
| 轨道历元 (Epoch) | 2026-10-15T15:14:52+0000 | 2026-10-15T05:27:47+0000 |
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