21006+5432
- Unique Name: 21006+5432HJ 1605AD
- RA: 21 00 35.35
- Dec: +54 31 45.8
- Discoverer: HJ
- Discoverer Number: 1605
- Components: AD
- First year: 1902
- Last year: 2003
- Observations: 7
- First position angle: 219
- Last position angle: 219
- First separation: 208.6
- Last separation: 207.6
- Mag first component: 9.62
- Mag second component: 11.38
- Spectral type: K7
- Primary proper motion RA: 0
- Primary proper motion DEC: -6
- Secondary proper motion RA: 5
- Secondary proper motion DEC: 3
- Durchmusterung:
- Notes: N