求翻译：德国航空航天中心17日说，一颗德国报废卫星的运行轨道正迅速降低，它可能在本月20日至25日间坠落至地球。另有航天专家认为，这颗卫星的坠地时间可能是本月22日或23日。是什么意思？

17, the German Aerospace Center, said a German scrap satellite's orbit is rapidly reduced, it may be 20 to 25 day month, falling to the earth. Another aerospace experts believe that this satellite is plunging to the ground time may be 22 or 23 of this month.

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Germany Aerospace Center said on 17th, a Germany scrapped satellite orbits are fast reducing, it may fall to Earth between the 20th of this month. Otherwise aerospace experts believe that the Moon fall to the ground time may 22nd or 23rd of this month.

17, the German Aerospace Center, said a German scrap satellite's orbit is rapidly reduced, it may be 20 to 25 day month, falling to the earth. Another aerospace experts believe that this satellite is plunging to the ground time may be 22 or 23 of this month.