20558-1707
- Unique Name: 20558-1707TOK 343AC
- RA: 20 55 47.67
- Dec: -17 06 51.0
- Discoverer: TOK
- Discoverer Number: 343
- Components: AC
- First year: 1916
- Last year: 1999
- Observations: 6
- First position angle: 139
- Last position angle: 138
- First separation: 325.4
- Last separation: 325.0
- Mag first component: 7.38
- Mag second component: 10.73
- Spectral type: F7V+K7/M0
- Primary proper motion RA: 62
- Primary proper motion DEC: -65
- Secondary proper motion RA: 59
- Secondary proper motion DEC: -63
- Durchmusterung:
- Notes: NV