21358+3101
- Unique Name: 21358+3101HJ 939CD
- RA: 21 35 42.60
- Dec: +31 00 47.6
- Discoverer: HJ
- Discoverer Number: 939
- Components: CD
- First year: 1827
- Last year: 2002
- Observations: 5
- First position angle: 340
- Last position angle: 344
- First separation: 10.0
- Last separation: 15.3
- Mag first component: 11.07
- Mag second component: 14.67
- Spectral type:
- Primary proper motion RA: 1
- Primary proper motion DEC: 4
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: U