20484+4002
- Unique Name: 20484+4002SEI1255AB
- RA: 20 48 22.62
- Dec: +40 01 45.0
- Discoverer: SEI
- Discoverer Number: 1255
- Components: AB
- First year: 1892
- Last year: 2008
- Observations: 8
- First position angle: 338
- Last position angle: 338
- First separation: 23.3
- Last separation: 24.2
- Mag first component: 10.87
- Mag second component: 11.92
- Spectral type:
- Primary proper motion RA: -5
- Primary proper motion DEC: -18
- Secondary proper motion RA: -4
- Secondary proper motion DEC: -11
- Durchmusterung:
- Notes: N