21129-1917
- Unique Name: 21129-1917ARA 806
- RA: 21 12 49.19
- Dec: -19 16 54.2
- Discoverer: ARA
- Discoverer Number: 806
- Components:
- First year: 1918
- Last year: 1999
- Observations: 4
- First position angle: 155
- Last position angle: 156
- First separation: 13.5
- Last separation: 12.0
- Mag first component: 12.2
- Mag second component: 12.4
- Spectral type:
- Primary proper motion RA: -5
- Primary proper motion DEC: -22
- Secondary proper motion RA: 5
- Secondary proper motion DEC: 6
- Durchmusterung:
- Notes: