21596+3947
- Unique Name: 21596+3947TDT3278
- RA: 21 59 38.75
- Dec: +39 47 00.9
- Discoverer: TDT
- Discoverer Number: 3278
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 338
- Last position angle: 338
- First separation: 0.4
- Last separation: 0.4
- Mag first component: 10.78
- Mag second component: 11.03
- Spectral type:
- Primary proper motion RA: 7
- Primary proper motion DEC: -1
- Secondary proper motion RA: 7
- Secondary proper motion DEC: -1
- Durchmusterung:
- Notes: