21143+2503
- Unique Name: 21143+2503POU5285
- RA: 21 14 21.37
- Dec: +25 03 10.3
- Discoverer: POU
- Discoverer Number: 5285
- Components:
- First year: 1898
- Last year: 2001
- Observations: 3
- First position angle: 312
- Last position angle: 318
- First separation: 13.3
- Last separation: 12.8
- Mag first component: 13.8
- Mag second component: 13.9
- Spectral type:
- Primary proper motion RA: -8
- Primary proper motion DEC: -10
- Secondary proper motion RA: -21
- Secondary proper motion DEC: 9
- Durchmusterung:
- Notes: