21172-1916
- Unique Name: 21172-1916HJ 3016
- RA: 21 17 12.74
- Dec: -19 16 27.9
- Discoverer: HJ
- Discoverer Number: 3016
- Components:
- First year: 1830
- Last year: 1999
- Observations: 4
- First position angle: 330
- Last position angle: 325
- First separation: 8.0
- Last separation: 13.5
- Mag first component: 12.2
- Mag second component: 13.6
- Spectral type:
- Primary proper motion RA: 5
- Primary proper motion DEC: -1
- Secondary proper motion RA: -2
- Secondary proper motion DEC: -2
- Durchmusterung:
- Notes:
