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star wars - Can capital ships make accurate micro-jumps through Hyperspace without aiming for a gravity well?


For a large portion of The Last Jedi,



the First Order fleet is chasing the remnants of the Resistance fleet through space, but they are unable to catch up until the Resistance ships run out of fuel.



I've seen a number of suggestions for how the First Order might have better handled this situation, including the idea that they perform a micro-jump through Hyperspace to close the distance or get ahead of the Resistance.



However, this might not be technically possible. Every example of a micro-jump I can think of relies on taking advantage of an existing gravity well -- a planet, or an interdictor -- to "force" the early drop from Hyperspace.


Is there any precedent in canon of a capital ship performing a targeted micro-jump through Hyperspace without the use of a gravity well to assist?



Answer



In the (canon) novel Tarkin, a Support Carrier uses precisely this technique to suddenly jump into fighter-range of an opponent.



“Transponder signature identifies it as the Goliath,” Cala continued. “Capable of carrying a wing of starfighters. Armed with ten Taim and Bak H-eights and a Krupx missile delivery system. Not much in the way of shields—”
“I’m not interested in testing its mettle,” Teller said.
“It could be here simply to refuel,” Artoz said, sounding unconvinced.
Abruptly, the escort vanished from the screen.
“Where’d it go?” Anora asked.

And just as abruptly the escort reappeared—now visible through the forward viewports.
“Microjump!” Cala said. “And deploying starfighters!”



We can suppose that Snoke's ships didn't try this trick because of the proximity of multiple planets in the vicinity and the fact that there was extremely limited navigational data available, making a micro-jump into a suicide mission.


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