21311+3652
- Unique Name: 21311+3652HJ 1653
- RA: 21 31 06.61
- Dec: +36 51 53.2
- Discoverer: HJ
- Discoverer Number: 1653
- Components:
- First year: 1828
- Last year: 2002
- Observations: 8
- First position angle: 203
- Last position angle: 195
- First separation: 12.0
- Last separation: 19.3
- Mag first component: 9.78
- Mag second component: 11.69
- Spectral type: K2
- Primary proper motion RA: -7
- Primary proper motion DEC: 3
- Secondary proper motion RA: -3
- Secondary proper motion DEC: -9
- Durchmusterung: +36 4595
- Notes: