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: Damocles was discovered, in 1991 by Robert H. McNaught.  it was found to be on an orbit different from all others. Robert H. McNaught found Damocles in 1991. The asteroid follows a path unlike others do. Damocles was discovered in 1991 by Robert H. McNaught. It was found to be on a different orbit from all others. Damocles was discovered in 1991 by Robert H. McNaught. It was on an orbit completely different from all others known. Damocles was found to be on a different orbit from all others known. Robert H. McNaught found Damocles in 1991. Damocles had a different orbit from all others known. Damocles was discovered in 1991 by Robert H. McNaught. It was discovered as a orbit that is completely different for all other known orbits. When Damocles was found, in 1991 by Robert H. McNaught, it was on an orbit way different from all others known. Damocles was discovered by Robert H. McNaught in 1991. It was found to be on an orbit that was different from all others. When Damocles was found by Robert H. McNaught in 1991, it was found to be completely different from any other known orbit.