20101+3617
- Unique Name: 20101+3617SEI 939AB
- RA: 20 10 09.67
- Dec: +36 17 09.2
- Discoverer: SEI
- Discoverer Number: 939
- Components: AB
- First year: 1896
- Last year: 2013
- Observations: 4
- First position angle: 213
- Last position angle: 217
- First separation: 25.2
- Last separation: 26.5
- Mag first component: 11.4
- Mag second component: 12.6
- Spectral type:
- Primary proper motion RA: 17
- Primary proper motion DEC: -4
- Secondary proper motion RA: -4
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: