20400-4359
- Unique Name: 20400-4359DON 990AB
- RA: 20 39 57.04
- Dec: -43 59 09.6
- Discoverer: DON
- Discoverer Number: 990
- Components: AB
- First year: 1929
- Last year: 1984
- Observations: 4
- First position angle: 35
- Last position angle: 42
- First separation: 0.3
- Last separation: 0.4
- Mag first component: 10.15
- Mag second component: 11.2
- Spectral type: G0V
- Primary proper motion RA: 64
- Primary proper motion DEC: -43
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: -4414077
- Notes:
