21099+3517
- Unique Name: 21099+3517TDT2797
- RA: 21 09 56.45
- Dec: +35 17 11.3
- Discoverer: TDT
- Discoverer Number: 2797
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 143
- Last position angle: 143
- First separation: 2.2
- Last separation: 2.2
- Mag first component: 10.67
- Mag second component: 12.11
- Spectral type:
- Primary proper motion RA: 3
- Primary proper motion DEC: -18
- Secondary proper motion RA: 3
- Secondary proper motion DEC: -18
- Durchmusterung:
- Notes: