Asteroid 2012 DA14 dislodged with meteoroids plausible answer, Russian Cuban Californian meteors similar trajectories, Asteroid families orbits, Unrelated? “An asteroid group is a collection of asteroids that move in generally similar orbits. Within a group there may be one or more families of asteroids whose orbital characteristics are so much alike that they almost certainly came from the breakup of a single parent body.”…The Encyclopedia of Science “Unrelated: 1 not connected to a subject that you are thinking about or discussing 2 not part of the same family”…MacMillan Dictionary FreedomRead More