10221-3019
- Unique Name: 10221-3019HJ 4309
- RA: 10 22 05.91
- Dec: -30 19 32.7
- Discoverer: HJ
- Discoverer Number: 4309
- Components:
- First year: 1835
- Last year: 1999
- Observations: 7
- First position angle: 230
- Last position angle: 190
- First separation: 15.0
- Last separation: 19.2
- Mag first component: 11.5
- Mag second component: 11.72
- Spectral type:
- Primary proper motion RA: -75
- Primary proper motion DEC: 44
- Secondary proper motion RA: -28
- Secondary proper motion DEC: 3
- Durchmusterung: -29 8297
- Notes: