20099+2100
- Unique Name: 20099+2100S 737
- RA: 20 09 55.48
- Dec: +21 00 07.3
- Discoverer: S
- Discoverer Number: 737
- Components:
- First year: 1824
- Last year: 2013
- Observations: 17
- First position angle: 129
- Last position angle: 128
- First separation: 100.8
- Last separation: 100.6
- Mag first component: 7.93
- Mag second component: 9.26
- Spectral type: K0
- Primary proper motion RA: -17
- Primary proper motion DEC: -20
- Secondary proper motion RA: -8
- Secondary proper motion DEC: -14
- Durchmusterung: +20 4454
- Notes: