21087+3551
- Unique Name: 21087+3551SEI1414AB
- RA: 21 08 42.07
- Dec: +35 50 45.3
- Discoverer: SEI
- Discoverer Number: 1414
- Components: AB
- First year: 1896
- Last year: 2002
- Observations: 6
- First position angle: 34
- Last position angle: 35
- First separation: 12.5
- Last separation: 10.6
- Mag first component: 10.78
- Mag second component: 13.1
- Spectral type:
- Primary proper motion RA: 8
- Primary proper motion DEC: 5
- Secondary proper motion RA: -1
- Secondary proper motion DEC: -7
- Durchmusterung:
- Notes: