21237+3131
- Unique Name: 21237+3131GRV 460
- RA: 21 23 44.69
- Dec: +31 31 38.8
- Discoverer: GRV
- Discoverer Number: 460
- Components:
- First year: 1893
- Last year: 2002
- Observations: 8
- First position angle: 195
- Last position angle: 195
- First separation: 56.5
- Last separation: 56.6
- Mag first component: 10.2
- Mag second component: 11.45
- Spectral type:
- Primary proper motion RA: 27
- Primary proper motion DEC: -11
- Secondary proper motion RA: 21
- Secondary proper motion DEC: -12
- Durchmusterung: +30 4423
- Notes: