21318+0019
- Unique Name: 21318+0019SHN 253
- RA: 21 31 47.93
- Dec: +00 19 13.5
- Discoverer: SHN
- Discoverer Number: 253
- Components:
- First year: 1997
- Last year: 1997
- Observations: 0
- First position angle: -1
- Last position angle: -1
- First separation: 0.0
- Last separation: 0.0
- Mag first component: 11.8
- Mag second component: 12.3
- Spectral type:
- Primary proper motion RA: 3
- Primary proper motion DEC: -18
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: