20171-2119
- Unique Name: 20171-2119SEE 412
- RA: 20 19 39.69
- Dec: -21 53 21.4
- Discoverer: SEE
- Discoverer Number: 412
- Components:
- First year: 1897
- Last year: 1999
- Observations: 3
- First position angle: 227
- Last position angle: 229
- First separation: 25.8
- Last separation: 27.0
- Mag first component: 9.3
- Mag second component: 13.0
- Spectral type: G4V
- Primary proper motion RA: -35
- Primary proper motion DEC: -74
- Secondary proper motion RA: -8
- Secondary proper motion DEC: 1
- Durchmusterung: -22 5390
- Notes: D
