20401+3551
- Unique Name: 20401+3551SEI1211
- RA: 20 40 01.96
- Dec: +35 51 07.2
- Discoverer: SEI
- Discoverer Number: 1211
- Components:
- First year: 1896
- Last year: 2002
- Observations: 4
- First position angle: 141
- Last position angle: 148
- First separation: 20.2
- Last separation: 20.3
- Mag first component: 10.36
- Mag second component: 12.4
- Spectral type:
- Primary proper motion RA: 2
- Primary proper motion DEC: -3
- Secondary proper motion RA: -18
- Secondary proper motion DEC: -21
- Durchmusterung: +35 4206
- Notes: