12402+5503
- Unique Name: 12402+5503STI2290
- RA: 12 40 11.02
- Dec: +55 03 25.8
- Discoverer: STI
- Discoverer Number: 2290
- Components:
- First year: 1915
- Last year: 2006
- Observations: 6
- First position angle: 242
- Last position angle: 246
- First separation: 13.8
- Last separation: 13.6
- Mag first component: 10.12
- Mag second component: 13.1
- Spectral type: G5
- Primary proper motion RA: -67
- Primary proper motion DEC: -15
- Secondary proper motion RA: -77
- Secondary proper motion DEC: -10
- Durchmusterung: +55 1548
- Notes: