21311+6521
- Unique Name: 21311+6521TDT3005
- RA: 21 31 03.42
- Dec: +65 20 35.6
- Discoverer: TDT
- Discoverer Number: 3005
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 253
- Last position angle: 253
- First separation: 0.4
- Last separation: 0.4
- Mag first component: 11.2
- Mag second component: 11.23
- Spectral type:
- Primary proper motion RA: -7
- Primary proper motion DEC: -7
- Secondary proper motion RA: -7
- Secondary proper motion DEC: -7
- Durchmusterung:
- Notes: