21203+5354
- Unique Name: 21203+5354TDT2910
- RA: 21 20 15.10
- Dec: +53 54 15.9
- Discoverer: TDT
- Discoverer Number: 2910
- Components:
- First year: 1991
- Last year: 2007
- Observations: 2
- First position angle: 278
- Last position angle: 284
- First separation: 0.6
- Last separation: 0.7
- Mag first component: 10.58
- Mag second component: 11.0
- Spectral type: F
- Primary proper motion RA: -1
- Primary proper motion DEC: -1
- Secondary proper motion RA: -1
- Secondary proper motion DEC: -1
- Durchmusterung:
- Notes: