21577+4356
- Unique Name: 21577+4356MAY9004AE
- RA: 21 57 41.80
- Dec: +43 55 41.0
- Discoverer: MAY
- Discoverer Number: 9004
- Components: AE
- First year: 2000
- Last year: 2002
- Observations: 3
- First position angle: 285
- Last position angle: 285
- First separation: 8.5
- Last separation: 8.4
- Mag first component: 12.2
- Mag second component: 15.6
- Spectral type:
- Primary proper motion RA: -6
- Primary proper motion DEC: 8
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: