21302+5743
- Unique Name: 21302+5743TDT3000
- RA: 21 30 11.17
- Dec: +57 43 23.7
- Discoverer: TDT
- Discoverer Number: 3000
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 164
- Last position angle: 164
- First separation: 0.5
- Last separation: 0.5
- Mag first component: 11.44
- Mag second component: 11.47
- Spectral type: A0
- Primary proper motion RA: -8
- Primary proper motion DEC: 0
- Secondary proper motion RA: -8
- Secondary proper motion DEC: 0
- Durchmusterung:
- Notes: