21351+4000
- Unique Name: 21351+4000MLB 901
- RA: 21 35 05.52
- Dec: +40 00 23.7
- Discoverer: MLB
- Discoverer Number: 901
- Components:
- First year: 1933
- Last year: 2002
- Observations: 3
- First position angle: 236
- Last position angle: 233
- First separation: 5.7
- Last separation: 5.8
- Mag first component: 13.0
- Mag second component: 13.7
- Spectral type:
- Primary proper motion RA: -4
- Primary proper motion DEC: -4
- Secondary proper motion RA: -5
- Secondary proper motion DEC: 0
- Durchmusterung:
- Notes: