21561+8218
- Unique Name: 21561+8218TDT3247
- RA: 21 56 03.14
- Dec: +82 17 53.5
- Discoverer: TDT
- Discoverer Number: 3247
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 352
- Last position angle: 352
- First separation: 0.6
- Last separation: 0.6
- Mag first component: 10.7
- Mag second component: 10.85
- Spectral type: K0III
- Primary proper motion RA: 12
- Primary proper motion DEC: -1
- Secondary proper motion RA: 12
- Secondary proper motion DEC: -1
- Durchmusterung:
- Notes: