21210+0217
- Unique Name: 21210+0217BAL1586Aa,Ab
- RA: 21 20 57.65
- Dec: +02 17 26.7
- Discoverer: BAL
- Discoverer Number: 1586
- Components: Aa,Ab
- First year: 1966
- Last year: 1966
- Observations: 1
- First position angle: 111
- Last position angle: 111
- First separation: 0.6
- Last separation: 0.6
- Mag first component: 11.6
- Mag second component: 11.8
- Spectral type:
- Primary proper motion RA: -8
- Primary proper motion DEC: -2
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: N