21146+3947
- Unique Name: 21146+3947LDS2500
- RA: 21 14 30.80
- Dec: +39 47 28.6
- Discoverer: LDS
- Discoverer Number: 2500
- Components:
- First year: 1954
- Last year: 2002
- Observations: 3
- First position angle: 355
- Last position angle: 355
- First separation: 14.0
- Last separation: 14.5
- Mag first component: 14.0
- Mag second component: 14.6
- Spectral type:
- Primary proper motion RA: -76
- Primary proper motion DEC: 7
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: I
