The original asteroid was not disturbed heavily : the original body is calculated to have been 60 km in diameter , about the same size as PasiphaÃ `` ; PasiphaÃ `` has 99 % of the original body 's mass. . The original asteroid was not disturbed heavily : the original body is calculated to have been 60 km in diameter , about the same size as PasiphaÃ `` ; PasiphaÃ `` retains 99 % of the original body 's mass. .