Under what condition do two orbits that physically cross at a point avoid a collision?

Answer

If they arrive at that specific intersection point at different times

The geometry of orbits dictates that two paths can intersect in space, meaning the spatial coordinates match up at some point. However, a collision only occurs if the two objects occupy that exact spatial point at nearly the same instant. If one object passes through the intersection point significantly earlier or later than the other, they will safely pass by each other without interaction. The risk is specifically highlighted when the predicted time of closest approach aligns almost perfectly, leading to the possibility of both objects occupying the same vicinity concurrently.

Under what condition do two orbits that physically cross at a point avoid a collision?

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