20210+4320
- Unique Name: 20210+4320TDT2198
- RA: 20 20 57.68
- Dec: +43 20 14.7
- Discoverer: TDT
- Discoverer Number: 2198
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 3
- Last position angle: 3
- First separation: 1.8
- Last separation: 1.8
- Mag first component: 11.67
- Mag second component: 12.22
- Spectral type:
- Primary proper motion RA: -67
- Primary proper motion DEC: -71
- Secondary proper motion RA: -67
- Secondary proper motion DEC: -71
- Durchmusterung:
- Notes: