21451+5432
- Unique Name: 21451+5432TDT3135
- RA: 21 45 08.57
- Dec: +54 31 40.9
- Discoverer: TDT
- Discoverer Number: 3135
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 194
- Last position angle: 194
- First separation: 2.2
- Last separation: 2.2
- Mag first component: 11.57
- Mag second component: 12.25
- Spectral type:
- Primary proper motion RA: 0
- Primary proper motion DEC: -5
- Secondary proper motion RA: 0
- Secondary proper motion DEC: -5
- Durchmusterung:
- Notes: