21387-5228
- Unique Name: 21387-5228UC 4518
- RA: 21 38 39.63
- Dec: -52 27 32.9
- Discoverer: UC
- Discoverer Number: 4518
- Components:
- First year: 1998
- Last year: 1999
- Observations: 2
- First position angle: 48
- Last position angle: 48
- First separation: 50.9
- Last separation: 50.7
- Mag first component: 11.7
- Mag second component: 16.4
- Spectral type:
- Primary proper motion RA: 35
- Primary proper motion DEC: -53
- Secondary proper motion RA: 33
- Secondary proper motion DEC: -52
- Durchmusterung:
- Notes: V