21115+4115
- Unique Name: 21115+4115STT 431AB
- RA: 21 11 30.89
- Dec: +41 14 29.1
- Discoverer: STT
- Discoverer Number: 431
- Components: AB
- First year: 1843
- Last year: 2011
- Observations: 63
- First position angle: 117
- Last position angle: 124
- First separation: 3.4
- Last separation: 2.6
- Mag first component: 8.8
- Mag second component: 8.99
- Spectral type: F8
- Primary proper motion RA: -27
- Primary proper motion DEC: -44
- Secondary proper motion RA: -13
- Secondary proper motion DEC: -55
- Durchmusterung: +40 4435
- Notes:
