21580+7213
- Unique Name: 21580+7213MLB 428
- RA: 21 58 03.82
- Dec: +72 12 42.0
- Discoverer: MLB
- Discoverer Number: 428
- Components:
- First year: 1925
- Last year: 2003
- Observations: 3
- First position angle: 77
- Last position angle: 79
- First separation: 5.6
- Last separation: 5.6
- Mag first component: 11.34
- Mag second component: 13.3
- Spectral type:
- Primary proper motion RA: -6
- Primary proper motion DEC: -4
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: