把下面这篇文章的标题翻译成英文：【长征十一号 7 日发射成功：轻量级运载火箭向太空发射 “猎户座一号”两颗卫星】
Translate the title of this article into English: "Long March 11 successfully launches on the 7th: Lightweight carrier rocket sends "Orion-1" two satellites into space"