21598+3515
- Unique Name: 21598+3515J 2704AB
- RA: 21 59 47.59
- Dec: +35 12 55.1
- Discoverer: J
- Discoverer Number: 2704
- Components: AB
- First year: 1942
- Last year: 2002
- Observations: 7
- First position angle: 149
- Last position angle: 153
- First separation: 3.3
- Last separation: 3.7
- Mag first component: 10.0
- Mag second component: 10.0
- Spectral type:
- Primary proper motion RA: -30
- Primary proper motion DEC: -17
- Secondary proper motion RA: -16
- Secondary proper motion DEC: -17
- Durchmusterung:
- Notes: