The former name of the asteroid (66063) 1998 RO1 was 1999 SN5.
The owner of the AC Hotel Bella Sky Copenhagen (which has 23 floors) is Bella Center.
(66063) 1998 RO1 | former name | 1999 SN5 AC Hotel Bella Sky Copenhagen | owner | Bella Center AC Hotel Bella Sky Copenhagen | floor count | 23