21081+1857
- Unique Name: 21081+1857J 3125
- RA: 21 08 17.13
- Dec: +18 57 53.8
- Discoverer: J
- Discoverer Number: 3125
- Components:
- First year: 1944
- Last year: 2001
- Observations: 4
- First position angle: 250
- Last position angle: 258
- First separation: 4.0
- Last separation: 4.7
- Mag first component: 12.4
- Mag second component: 13.6
- Spectral type:
- Primary proper motion RA: 8
- Primary proper motion DEC: 5
- Secondary proper motion RA: -6
- Secondary proper motion DEC: 14
- Durchmusterung:
- Notes: