20099+3509
- Unique Name: 20099+3509BKO 99
- RA: 20 09 54.11
- Dec: +35 09 27.4
- Discoverer: BKO
- Discoverer Number: 99
- Components:
- First year: 1998
- Last year: 2011
- Observations: 4
- First position angle: 66
- Last position angle: 66
- First separation: 9.0
- Last separation: 9.0
- Mag first component: 11.5
- Mag second component: 12.5
- Spectral type:
- Primary proper motion RA: -2
- Primary proper motion DEC: -5
- Secondary proper motion RA: 0
- Secondary proper motion DEC: -1
- Durchmusterung:
- Notes: