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belter 2 days ago

My quick back of envelope calculations...

Imply that the kinetic energy released upon the impact of such an object, show a group sheltering at the ISS (orbit at an altitude of between 370–460 km (200–250 nmi)) or the Tiangong (orbit between 340 and 450 km (210 and 280 mi) ) would not be likely to survive the impact from ejecta thrown into their orbital altitude...

sebastiennight a day ago | parent [-]

OK I'm curious about this bit. How do you deduce the range of height of the ejecta from a calculation of the kinetic energy of the impactor?