https://www.space.com/russian-rocket-motor-breakup-space-debris 18SDS确认物体(2007-065F)于4月15日发生了解体,已追踪到了16个相关碎片。发生解体的物体(2007-065F)是俄罗斯2007用于发射格洛纳斯三颗导航卫星的上面级,目前在388公里x19074公里轨道上
An Earth-orbiting object cataloged as #32398 broke up on April 15, the U.S. Space Force's 18th Space Defense Squadron tweeted on Tuesday (May 3). Sixteen pieces of space debris associated with the event are currently being tracked, the squadron added.
Object #32398 was an ullage motor from a space tug that helped deliver three Russian GLONASS satellites to orbit in 2007, according to journalist and author Anatoly Zak, who runs RussianSpaceWeb.com. (GLONASS is Russia's version of the GPS navigation system.)