21520+6723
- Unique Name: 21520+6723TDT3201
- RA: 21 51 57.01
- Dec: +67 22 42.1
- Discoverer: TDT
- Discoverer Number: 3201
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 121
- Last position angle: 121
- First separation: 2.3
- Last separation: 2.3
- Mag first component: 9.94
- Mag second component: 12.17
- Spectral type:
- Primary proper motion RA: 3
- Primary proper motion DEC: 3
- Secondary proper motion RA: 3
- Secondary proper motion DEC: 3
- Durchmusterung:
- Notes: