20577+3711
- Unique Name: 20577+3711SEI1331
- RA: 20 57 43.91
- Dec: +37 11 20.8
- Discoverer: SEI
- Discoverer Number: 1331
- Components:
- First year: 1896
- Last year: 2002
- Observations: 3
- First position angle: 50
- Last position angle: 49
- First separation: 24.9
- Last separation: 26.4
- Mag first component: 12.54
- Mag second component: 13.36
- Spectral type:
- Primary proper motion RA: -8
- Primary proper motion DEC: -14
- Secondary proper motion RA: 1
- Secondary proper motion DEC: -6
- Durchmusterung:
- Notes: