21377+5659
- Unique Name: 21377+5659MLR 583
- RA: 21 37 43.52
- Dec: +56 59 11.0
- Discoverer: MLR
- Discoverer Number: 583
- Components:
- First year: 1979
- Last year: 1982
- Observations: 2
- First position angle: 14
- Last position angle: 15
- First separation: 0.4
- Last separation: 0.4
- Mag first component: 9.89
- Mag second component: 0.0
- Spectral type: G0
- Primary proper motion RA: 4
- Primary proper motion DEC: -47
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +56 2609
- Notes: