https://en.wikipedia.org/wiki/List_of_Falcon_9_and_Falcon_Heavy_launches#2018
では
Mission Outcome:Unkown
Landing outcome: Success
なので，回収は成功，打ち上げミッションの成否については不明という意味だね．
またコメント欄には
While SpaceX has stated that their Falcon 9 performed nominally,
government officials have been informed that the payload failed to separate from the second stage and deorbited with it.[
