21590+6605
- Unique Name: 21590+6605TDT3273
- RA: 21 59 01.90
- Dec: +66 05 09.4
- Discoverer: TDT
- Discoverer Number: 3273
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 6
- Last position angle: 6
- First separation: 0.4
- Last separation: 0.4
- Mag first component: 10.74
- Mag second component: 10.77
- Spectral type:
- Primary proper motion RA: 6
- Primary proper motion DEC: -11
- Secondary proper motion RA: 6
- Secondary proper motion DEC: -11
- Durchmusterung:
- Notes: