21397+1142
- Unique Name: 21397+1142TDT3091
- RA: 21 39 41.68
- Dec: +11 41 36.4
- Discoverer: TDT
- Discoverer Number: 3091
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 243
- Last position angle: 243
- First separation: 1.5
- Last separation: 1.5
- Mag first component: 10.85
- Mag second component: 11.86
- Spectral type:
- Primary proper motion RA: -7
- Primary proper motion DEC: -3
- Secondary proper motion RA: -7
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: