21431+1338
- Unique Name: 21431+1338HJ 1682
- RA: 21 43 06.49
- Dec: +13 38 09.0
- Discoverer: HJ
- Discoverer Number: 1682
- Components:
- First year: 1907
- Last year: 2007
- Observations: 7
- First position angle: 75
- Last position angle: 77
- First separation: 17.2
- Last separation: 21.5
- Mag first component: 11.06
- Mag second component: 12.15
- Spectral type:
- Primary proper motion RA: -51
- Primary proper motion DEC: -10
- Secondary proper motion RA: -3
- Secondary proper motion DEC: -10
- Durchmusterung:
- Notes: L