17121+2114
- Unique Name: 17121+2114STF2135AC
- RA: 17 12 06.06
- Dec: +21 13 44.4
- Discoverer: STF
- Discoverer Number: 2135
- Components: AC
- First year: 1911
- Last year: 2001
- Observations: 4
- First position angle: 208
- Last position angle: 208
- First separation: 158.9
- Last separation: 161.9
- Mag first component: 7.59
- Mag second component: 12.3
- Spectral type: K0
- Primary proper motion RA: 22
- Primary proper motion DEC: 2
- Secondary proper motion RA: -1
- Secondary proper motion DEC: -16
- Durchmusterung:
- Notes: