original: when damocles was discovered , in 1991 by robert h. mcnaught , it was found to be on an orbit completely different from all others known .
simplifications: when damocles was first seen , in 1991 by robert h. mcnaught , it was found to be on an orbit much different from all others known . when damocles was discovered , in 1991 by robert h. mcnaught , it was found to be on an orbit completely different from all others known . when damocles was found by robert h. mcnaught in 1991 , it was found to be on an orbit that was totally different from any known orbit . when damocles was discovered in 1991 by robert mcnaught , it was found to be an orbit different from all others . 1 . when damocles was discovered , in 1991 , by robert h. mcnaught , it was found to be on an orbit very different from all others known . when damocles was discovered , in 1991 by robert h. mcnaught , it was found to be on an orbit completely different from all others known . when robert h. mcnaught found damocles in 1991 , it was on an orbit very different from all others that were known . in 1991 , robert h. mcnaught discovered damocles which was seen to be on an orbit completely different from all others known .