21210+0022
- Unique Name: 21210+0022RST5162
- RA: 21 20 58.97
- Dec: +00 22 17.4
- Discoverer: RST
- Discoverer Number: 5162
- Components:
- First year: 1943
- Last year: 1994
- Observations: 5
- First position angle: 11
- Last position angle: 27
- First separation: 0.4
- Last separation: 0.4
- Mag first component: 9.88
- Mag second component: 9.92
- Spectral type: F8
- Primary proper motion RA: 33
- Primary proper motion DEC: -84
- Secondary proper motion RA: 33
- Secondary proper motion DEC: -84
- Durchmusterung: -00 4202
- Notes: