21310-3633
- Unique Name: 21310-3633B 1008AB
- RA: 21 30 57.70
- Dec: -36 32 49.7
- Discoverer: B
- Discoverer Number: 1008
- Components: AB
- First year: 1927
- Last year: 2013
- Observations: 23
- First position angle: 31
- Last position angle: 10
- First separation: 0.3
- Last separation: 0.1
- Mag first component: 8.87
- Mag second component: 8.06
- Spectral type: F3V
- Primary proper motion RA: -14
- Primary proper motion DEC: 24
- Secondary proper motion RA: -14
- Secondary proper motion DEC: 24
- Durchmusterung: -3714317
- Notes: