20487-4359
- Unique Name: 20487-4359DON 993AB
- RA: 20 48 44.12
- Dec: -43 58 58.4
- Discoverer: DON
- Discoverer Number: 993
- Components: AB
- First year: 1932
- Last year: 2000
- Observations: 3
- First position angle: 330
- Last position angle: 331
- First separation: 11.6
- Last separation: 12.1
- Mag first component: 7.71
- Mag second component: 15.0
- Spectral type: F3V
- Primary proper motion RA: 8
- Primary proper motion DEC: 22
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: -4414148
- Notes: