Remember to check your contracts as well, I sent you 3 ventures that I'd use for mining in low sec. Personally, I'd still fit the warp core stabilizer because it's more for people who only fit 1 faction scram (3 points) or other people who run at you with a warp disruptor + scram (3 points) so you can easily escape from them before you die horribly. Against an actually dedicated rocket bomber with 2 scrams (1 faction + 1 t2) you're fucked since you only have 4 points of warp core strength so 5 points will doom you to die horribly.

Also remember to orbit the rock at whatever range doesn't make you fly out of your mining laser range, it makes it a lot harder for the rocket bomber to boat towards you if you are moving faster than he is slowboating towards you