20126+3618
- Unique Name: 20126+3618SEI1004AB
- RA: 20 12 31.32
- Dec: +36 18 07.1
- Discoverer: SEI
- Discoverer Number: 1004
- Components: AB
- First year: 1896
- Last year: 2002
- Observations: 4
- First position angle: 107
- Last position angle: 108
- First separation: 26.1
- Last separation: 25.9
- Mag first component: 11.8
- Mag second component: 12.88
- Spectral type:
- Primary proper motion RA: 6
- Primary proper motion DEC: 4
- Secondary proper motion RA: -1
- Secondary proper motion DEC: -5
- Durchmusterung:
- Notes: