That would be a bad way to do it. If you have a space economy, you have matter streams. You mine a rock somewhere, but need the goodies somewhere else - you don't fill the cargo hold of s ship with ore, you conveyer feed pellets into a magnetically propelled mass driver and stream pellets across space, into a receiver at the other end. To change a rock's trajectory, you aim a matter stream at the rock for whatever duration is required to break any gravitational resonances it may be following. Or just eat that rock too.