21586+0601
- Unique Name: 21586+0601SHJ 336AB
- RA: 21 58 36.57
- Dec: +06 00 50.0
- Discoverer: SHJ
- Discoverer Number: 336
- Components: AB
- First year: 1881
- Last year: 2012
- Observations: 17
- First position angle: 225
- Last position angle: 222
- First separation: 102.2
- Last separation: 93.8
- Mag first component: 7.98
- Mag second component: 8.93
- Spectral type: A2
- Primary proper motion RA: 17
- Primary proper motion DEC: -10
- Secondary proper motion RA: 82
- Secondary proper motion DEC: 18
- Durchmusterung: +05 4915
- Notes: NL
