The collision involved an Iridium commercial satellite, which was launched in 1997, and a Russian satellite launched in 1993 and believed to be nonfunctioning.

• 马特尼说,相撞的卫星一颗是铱商业卫星,是1997年发射的;另一颗是1993年发射的俄罗斯卫星,被认为失去功能。