21122+3828
- Unique Name: 21122+3828SMA 137
- RA: 21 12 19.85
- Dec: +38 28 19.7
- Discoverer: SMA
- Discoverer Number: 137
- Components:
- First year: 1923
- Last year: 2012
- Observations: 5
- First position angle: 118
- Last position angle: 122
- First separation: 10.5
- Last separation: 9.7
- Mag first component: 11.2
- Mag second component: 12.2
- Spectral type:
- Primary proper motion RA: 9
- Primary proper motion DEC: 0
- Secondary proper motion RA: 4
- Secondary proper motion DEC: -2
- Durchmusterung:
- Notes: N
