20211+3104
- Unique Name: 20211+3104TDT2200
- RA: 20 21 04.70
- Dec: +31 03 56.7
- Discoverer: TDT
- Discoverer Number: 2200
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 157
- Last position angle: 157
- First separation: 0.4
- Last separation: 0.4
- Mag first component: 11.44
- Mag second component: 11.56
- Spectral type:
- Primary proper motion RA: -2
- Primary proper motion DEC: -4
- Secondary proper motion RA: -2
- Secondary proper motion DEC: -4
- Durchmusterung:
- Notes: