OK, I admit, horrible follow up, and overall a bad combat set for us both, and not very spectacular.
Regardless, the results of my follow-up....

The defender has won the battle !
The attacker has lost a total of 486.200 units.
The defender has lost a total of 642.500 units.
A debris field containing 185.520 units of Metal and 106.200 units of Crystal has formed in orbit around the planet.
The probability of creating a moon is : 2 %