20136+3553
- Unique Name: 20136+3553SEI1021AB
- RA: 20 13 34.11
- Dec: +35 52 53.8
- Discoverer: SEI
- Discoverer Number: 1021
- Components: AB
- First year: 1896
- Last year: 2011
- Observations: 7
- First position angle: 241
- Last position angle: 247
- First separation: 14.7
- Last separation: 13.4
- Mag first component: 10.9
- Mag second component: 12.4
- Spectral type:
- Primary proper motion RA: -7
- Primary proper motion DEC: -9
- Secondary proper motion RA: 4
- Secondary proper motion DEC: 7
- Durchmusterung:
- Notes: