987 Nickel, iron, cobalt 0.
Some astrophysicists have suggested that if advanced extraterrestrial civilizations employed asteroid mining long ago, the hallmarks of these activities might be detectable.
According to one of the scientists, "The lines are becoming more and more blurred between comets and asteroids.
No new asteroids were discovered until 1845.
뒤에 붙은 문자와 숫자는 해당되는 보름의 기간 안에서 그 소행성이 발견된 순서를 나타낸다.
Retrieved 2 March 2007.