21200+3854
- Unique Name: 21200+3854SEI1505
- RA: 21 19 56.67
- Dec: +38 54 52.6
- Discoverer: SEI
- Discoverer Number: 1505
- Components:
- First year: 1895
- Last year: 2002
- Observations: 5
- First position angle: 358
- Last position angle: 343
- First separation: 15.4
- Last separation: 11.2
- Mag first component: 10.08
- Mag second component: 11.9
- Spectral type:
- Primary proper motion RA: 25
- Primary proper motion DEC: 38
- Secondary proper motion RA: -3
- Secondary proper motion DEC: -6
- Durchmusterung: +38 4451
- Notes: N
