20121+4618
- Unique Name: 20121+4618OSO 120AD
- RA: 20 12 05.66
- Dec: +46 18 01.7
- Discoverer: OSO
- Discoverer Number: 120
- Components: AD
- First year: 1995
- Last year: 1995
- Observations: 1
- First position angle: 90
- Last position angle: 90
- First separation: 20.2
- Last separation: 20.2
- Mag first component: 9.13
- Mag second component: 17.2
- Spectral type:
- Primary proper motion RA: 222
- Primary proper motion DEC: 292
- Secondary proper motion RA: -20
- Secondary proper motion DEC: -22
- Durchmusterung:
- Notes: N