20517-2947
- Unique Name: 20517-2947RST2164
- RA: 20 51 40.43
- Dec: -29 46 51.3
- Discoverer: RST
- Discoverer Number: 2164
- Components:
- First year: 1934
- Last year: 1945
- Observations: 2
- First position angle: 316
- Last position angle: 318
- First separation: 1.0
- Last separation: 1.0
- Mag first component: 7.4
- Mag second component: 11.4
- Spectral type: K1IIICNII
- Primary proper motion RA: 28
- Primary proper motion DEC: -11
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: -3018223
- Notes: