21518+6453
- Unique Name: 21518+6453STF2844
- RA: 21 51 48.31
- Dec: +64 53 59.7
- Discoverer: STF
- Discoverer Number: 2844
- Components:
- First year: 1895
- Last year: 2013
- Observations: 17
- First position angle: 259
- Last position angle: 262
- First separation: 11.6
- Last separation: 12.1
- Mag first component: 6.95
- Mag second component: 9.98
- Spectral type: K0
- Primary proper motion RA: 22
- Primary proper motion DEC: -6
- Secondary proper motion RA: 31
- Secondary proper motion DEC: -3
- Durchmusterung: +64 1600
- Notes: N
