21031+3959
- Unique Name: 21031+3959LDS2483
- RA: 21 03 06.93
- Dec: +39 59 29.1
- Discoverer: LDS
- Discoverer Number: 2483
- Components:
- First year: 1954
- Last year: 2000
- Observations: 2
- First position angle: 41
- Last position angle: 41
- First separation: 28.0
- Last separation: 30.0
- Mag first component: 8.69
- Mag second component: 18.6
- Spectral type: G0
- Primary proper motion RA: -33
- Primary proper motion DEC: -10
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +39 4418
- Notes: