21573-3418
- Unique Name: 21573-3418SKF 445AC
- RA: 21 57 17.20
- Dec: -34 18 21.4
- Discoverer: SKF
- Discoverer Number: 445
- Components: AC
- First year: 1975
- Last year: 2000
- Observations: 6
- First position angle: 154
- Last position angle: 153
- First separation: 13.1
- Last separation: 13.7
- Mag first component: 10.79
- Mag second component: 16.2
- Spectral type: K5V
- Primary proper motion RA: 11
- Primary proper motion DEC: -40
- Secondary proper motion RA: 39
- Secondary proper motion DEC: -68
- Durchmusterung:
- Notes: V