21202+5809
- Unique Name: 21202+5809STI2566
- RA: 21 20 12.09
- Dec: +58 09 37.1
- Discoverer: STI
- Discoverer Number: 2566
- Components:
- First year: 1907
- Last year: 2012
- Observations: 7
- First position angle: 130
- Last position angle: 125
- First separation: 11.5
- Last separation: 13.2
- Mag first component: 11.87
- Mag second component: 11.69
- Spectral type: A0
- Primary proper motion RA: -13
- Primary proper motion DEC: -13
- Secondary proper motion RA: -2
- Secondary proper motion DEC: -5
- Durchmusterung:
- Notes: