12138+2143
- Unique Name: 12138+2143HU 569
- RA: 12 13 47.53
- Dec: +21 43 06.5
- Discoverer: HU
- Discoverer Number: 569
- Components:
- First year: 1902
- Last year: 2010
- Observations: 15
- First position angle: 153
- Last position angle: 161
- First separation: 1.1
- Last separation: 1.3
- Mag first component: 10.12
- Mag second component: 11.26
- Spectral type: F8
- Primary proper motion RA: 26
- Primary proper motion DEC: -27
- Secondary proper motion RA: 26
- Secondary proper motion DEC: -27
- Durchmusterung: +22 2452
- Notes: