20102+3644
- Unique Name: 20102+3644ES 87
- RA: 20 10 11.91
- Dec: +36 44 04.6
- Discoverer: ES
- Discoverer Number: 87
- Components:
- First year: 1896
- Last year: 2004
- Observations: 16
- First position angle: 297
- Last position angle: 298
- First separation: 9.5
- Last separation: 8.9
- Mag first component: 9.34
- Mag second component: 10.39
- Spectral type: A0V
- Primary proper motion RA: -5
- Primary proper motion DEC: 0
- Secondary proper motion RA: 4
- Secondary proper motion DEC: 0
- Durchmusterung: +36 3917
- Notes: D
