21363+2917
- Unique Name: 21363+2917BRT 56
- RA: 21 36 16.68
- Dec: +29 17 32.3
- Discoverer: BRT
- Discoverer Number: 56
- Components:
- First year: 1894
- Last year: 2011
- Observations: 16
- First position angle: 108
- Last position angle: 306
- First separation: 1.9
- Last separation: 3.2
- Mag first component: 10.1
- Mag second component: 10.2
- Spectral type:
- Primary proper motion RA: 44
- Primary proper motion DEC: -23
- Secondary proper motion RA: -8
- Secondary proper motion DEC: 16
- Durchmusterung:
- Notes: N