Don't have a clue about that, and it does not seem like information that many other people know about. Or they would have given an opinion.
Without the dimensions of the two different axles from two different models of the Astra, it would be a gamble.
I would just stick with the same model of astra if it was me.
But the only way to find out would be to get the other axle and measure them up and see how it fits