21139+1140
- Unique Name: 21139+1140BPM2346
- RA: 21 13 56.09
- Dec: +11 40 27.1
- Discoverer: BPM
- Discoverer Number: 2346
- Components:
- First year: 1991
- Last year: 2001
- Observations: 4
- First position angle: 245
- Last position angle: 246
- First separation: 17.3
- Last separation: 17.5
- Mag first component: 9.33
- Mag second component: 10.52
- Spectral type: G+G0
- Primary proper motion RA: -12
- Primary proper motion DEC: -7
- Secondary proper motion RA: -13
- Secondary proper motion DEC: -8
- Durchmusterung: +11 4510
- Notes: NV
