orbital spacing

例句：

1. 1.The satellite orbited the Earth at a safe distance.
   卫星以安全的距离绕地球运行。
2. 2.The spacecraft's orbital spacing is critical for its stability.
   航天器的轨道间距对其稳定性至关重要。
3. 3. The astronauts had to adjust their orbital spacing to avoid collisions.
   宇航员们必须调整他们的轨道间距以避免碰撞。