21146+3157
- Unique Name: 21146+3157GRV 437
- RA: 21 14 38.73
- Dec: +31 57 01.8
- Discoverer: GRV
- Discoverer Number: 437
- Components:
- First year: 1933
- Last year: 2002
- Observations: 5
- First position angle: 206
- Last position angle: 204
- First separation: 52.3
- Last separation: 51.7
- Mag first component: 11.2
- Mag second component: 12.96
- Spectral type:
- Primary proper motion RA: -8
- Primary proper motion DEC: -13
- Secondary proper motion RA: -9
- Secondary proper motion DEC: -5
- Durchmusterung:
- Notes: