10123-3821
- Unique Name: 10123-3821COO 99
- RA: 10 12 14.72
- Dec: -38 21 06.2
- Discoverer: COO
- Discoverer Number: 99
- Components:
- First year: 1912
- Last year: 1999
- Observations: 8
- First position angle: 126
- Last position angle: 122
- First separation: 3.0
- Last separation: 5.6
- Mag first component: 9.39
- Mag second component: 9.62
- Spectral type: K4III
- Primary proper motion RA: -4
- Primary proper motion DEC: 12
- Secondary proper motion RA: 8
- Secondary proper motion DEC: -7
- Durchmusterung: -37 6364
- Notes: L
