I think SC is fine but could use some adjustments to make the game more enjoyable.
I think the speed up time and slow down time is fine, maybe a tweak to adjust how different ships feel with a full load slowing down would be nice.
The 100,000+ls stations need to go or needs to be tweaked. I don't mind SC and traveling around within the system, but seriously no one wants to sit for 15 mins not doing anything. Yeah this allows pirates to have more time to interdict, keeping you on your seat wondering if you are going to be a target and that's a good thing but.. No pirate is going to want to chase a ship 50k ls out, whos heading to a station thats 150k ls away.
Unexplored systems that you are discovering, I would say this travel would be acceptable. As you are traveling into unknown territory, mapping out everything in the system.
However that whole 15+ min journey to a station that's 100,000+ ly away that orbits another star. That needs to be tweaked to make that part of the game more enjoyable.
idk.. maybe if fsd or thruster upgrades that increases slow down time, and acceleration time would be nice. Cut down that 15min time down to 5min from a upgrade would be really worth the purchase.
Maybe if you are in a gravitational field, something can pop up and show you the effects and strength of that field.
I think overall its fine, but it could use some tweaks to make the game enjoyable. I'm not talking about stopping on a dime when you want to, but give us something to do while we are sitting for 15 mins for those long station runs.