21433+8523
- Unique Name: 21433+8523MLR 252
- RA: 21 43 17.49
- Dec: +85 23 07.6
- Discoverer: MLR
- Discoverer Number: 252
- Components:
- First year: 1971
- Last year: 1971
- Observations: 1
- First position angle: 66
- Last position angle: 66
- First separation: 2.6
- Last separation: 2.6
- Mag first component: 10.94
- Mag second component: 11.2
- Spectral type: K0
- Primary proper motion RA: -26
- Primary proper motion DEC: 38
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +84 498
- Notes: