Could a man-made black hole deorbit the moon?

In the story I'm writing, humanity has cracked FTL travel by compressing a chunk of matter outside the craft into a short lived, gravitationally weak black hole that leads to a higher dimension (known simply as a rift). Although they're usually stable enough for a ship to travel through, there is one MAJOR catch. If directed matter (such as air or debris) fell into a rift, the rift will grow larger and last longer. And, if enough was to fall in, the mass would destabilize the rift into a classical, high gravity black hole.

In a huge battle near a space station (which is big enough to be destroyed the Earth's Roche limit if it came too close) that's positioned around the Earth-Moon L4 point, one of the factions decides to weaponize one of these FTL drives to disable and clear away much of the enemy fleet. However, after the ship is suddenly shot like Swiss cheese, the drive fired almost directly at the space station, consuming both it's mass and almost all the mass of both fleets.

If the black hole tidally tugged on the Moon for a day and a half, would it be enough to de-orbit it? (or at least lower it's perigee to where it could aerobrake against the Earth's atmosphere)

posted over 8 years ago

Mattias‭

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