21283+2215
- Unique Name: 21283+2215J 3140
- RA: 21 28 14.51
- Dec: +22 15 12.2
- Discoverer: J
- Discoverer Number: 3140
- Components:
- First year: 1892
- Last year: 2004
- Observations: 6
- First position angle: 225
- Last position angle: 224
- First separation: 6.6
- Last separation: 5.9
- Mag first component: 11.7
- Mag second component: 11.9
- Spectral type:
- Primary proper motion RA: 0
- Primary proper motion DEC: -2
- Secondary proper motion RA: 3
- Secondary proper motion DEC: -1
- Durchmusterung:
- Notes: