21118+5959
- Unique Name: 21118+5959STF2780AB
- RA: 21 11 48.24
- Dec: +59 59 11.8
- Discoverer: STF
- Discoverer Number: 2780
- Components: AB
- First year: 1828
- Last year: 2011
- Observations: 122
- First position angle: 225
- Last position angle: 213
- First separation: 1.0
- Last separation: 1.0
- Mag first component: 6.09
- Mag second component: 6.77
- Spectral type: B0II
- Primary proper motion RA: -5
- Primary proper motion DEC: -3
- Secondary proper motion RA: -5
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: N D