13313+2857
- Unique Name: 13313+2857HJ 531
- RA: 13 31 15.16
- Dec: +28 57 14.4
- Discoverer: HJ
- Discoverer Number: 531
- Components:
- First year: 1827
- Last year: 2002
- Observations: 9
- First position angle: 45
- Last position angle: 42
- First separation: 22.5
- Last separation: 36.0
- Mag first component: 9.32
- Mag second component: 13.37
- Spectral type: K3III
- Primary proper motion RA: -29
- Primary proper motion DEC: -20
- Secondary proper motion RA: -15
- Secondary proper motion DEC: -42
- Durchmusterung: +29 2421
- Notes: L
