21456-2518
- Unique Name: 21456-2518UC 4552
- RA: 21 45 34.72
- Dec: -25 18 10.7
- Discoverer: UC
- Discoverer Number: 4552
- Components:
- First year: 1998
- Last year: 1999
- Observations: 2
- First position angle: 305
- Last position angle: 305
- First separation: 11.0
- Last separation: 10.9
- Mag first component: 11.2
- Mag second component: 13.2
- Spectral type:
- Primary proper motion RA: -38
- Primary proper motion DEC: -56
- Secondary proper motion RA: -36
- Secondary proper motion DEC: -39
- Durchmusterung:
- Notes: V
