They're in a very low orbit and would deorbit on failure in 2 weeks to 8 months according to SpaceX: https://licensing.fcc.gov/myibfs/download.do?attachment_ke

They're in a very low orbit and would deorbit on failure in 2 weeks to 8 months according to SpaceX: https://licensing.fcc.gov/myibfs/download.do?attachment_key=1636825 https://licensing.fcc.gov/myibfs/download.do?attachment_key=...