When stones come to world from space, at which elevation do they start burning?

[Vivaldi]

When stones come to world from space, at which elevation do they start burning?

Like 200-300 km?

Updates

+1 y

I think it is at 80 km. Not 200-300 km.

So above atmosphere layers are not much of atmosphere then.

[exitseven]

It depends on their size and the angle in which they enter the atmosphere.

[Vivaldi]

Not always in mezosphere?