21410+2920
- Unique Name: 21410+2920STT 448
- RA: 21 41 00.68
- Dec: +29 20 25.5
- Discoverer: STT
- Discoverer Number: 448
- Components:
- First year: 1843
- Last year: 2008
- Observations: 89
- First position angle: 245
- Last position angle: 141
- First separation: 0.6
- Last separation: 0.1
- Mag first component: 8.93
- Mag second component: 9.17
- Spectral type: G0V
- Primary proper motion RA: 73
- Primary proper motion DEC: -14
- Secondary proper motion RA: 73
- Secondary proper motion DEC: -14
- Durchmusterung: +28 4162
- Notes: O