00210+5421
- Unique Name: 00210+5421TDS 12
- RA: 00 21 02.84
- Dec: +54 21 12.9
- Discoverer: TDS
- Discoverer Number: 12
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 288
- Last position angle: 288
- First separation: 0.9
- Last separation: 0.9
- Mag first component: 11.4
- Mag second component: 13.2
- Spectral type:
- Primary proper motion RA: -9
- Primary proper motion DEC: -3
- Secondary proper motion RA: -9
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: