19401+1801
- Unique Name: 19401+1801J 121AB
- RA: 19 40 05.78
- Dec: +18 00 50.2
- Discoverer: J
- Discoverer Number: 121
- Components: AB
- First year: 1910
- Last year: 2013
- Observations: 10
- First position angle: 200
- Last position angle: 180
- First separation: 20.0
- Last separation: 29.8
- Mag first component: 4.37
- Mag second component: 13.2
- Spectral type: G1III
- Primary proper motion RA: 15
- Primary proper motion DEC: -20
- Secondary proper motion RA: 9
- Secondary proper motion DEC: 17
- Durchmusterung: +17 4042
- Notes: N
