21115+4115
- Unique Name: 21115+4115STT 431AC
- RA: 21 11 30.89
- Dec: +41 14 29.1
- Discoverer: STT
- Discoverer Number: 431
- Components: AC
- First year: 1893
- Last year: 2002
- Observations: 4
- First position angle: 355
- Last position angle: 355
- First separation: 49.4
- Last separation: 55.3
- Mag first component: 8.8
- Mag second component: 11.99
- Spectral type: F8
- Primary proper motion RA: -27
- Primary proper motion DEC: -44
- Secondary proper motion RA: -5
- Secondary proper motion DEC: -2
- Durchmusterung:
- Notes: