21115+4115
- Unique Name: 21115+4115STT 431BC
- RA: 21 11 30.88
- Dec: +41 14 28.7
- Discoverer: STT
- Discoverer Number: 431
- Components: BC
- First year: 1893
- Last year: 2012
- Observations: 6
- First position angle: 352
- Last position angle: 355
- First separation: 51.2
- Last separation: 56.1
- Mag first component: 8.99
- Mag second component: 11.99
- Spectral type:
- Primary proper motion RA: -27
- Primary proper motion DEC: -44
- Secondary proper motion RA: -5
- Secondary proper motion DEC: -2
- Durchmusterung:
- Notes: