do you have any fuel to go back. go to the left side of manu hit system. you will see the sol system. hit sol it will tell how much fuel need to go back.
I are agree the speed way too fast for any profit for mining. either speed up the mining rate pick up by station or reduce the speed for nova. on com, any system has been nova with com should remove at once with a message to the player notice said the com is ended because system nova.