21501+3151
- Unique Name: 21501+3151FOX 264AD
- RA: 21 50 05.37
- Dec: +31 50 52.4
- Discoverer: FOX
- Discoverer Number: 264
- Components: AD
- First year: 1913
- Last year: 2007
- Observations: 4
- First position angle: 144
- Last position angle: 150
- First separation: 43.0
- Last separation: 40.4
- Mag first component: 7.47
- Mag second component: 13.92
- Spectral type: K0
- Primary proper motion RA: 39
- Primary proper motion DEC: 5
- Secondary proper motion RA: 3
- Secondary proper motion DEC: 0
- Durchmusterung:
- Notes: