21576+4004
- Unique Name: 21576+4004SEI1546
- RA: 21 57 35.28
- Dec: +40 03 49.6
- Discoverer: SEI
- Discoverer Number: 1546
- Components:
- First year: 1895
- Last year: 2002
- Observations: 6
- First position angle: 213
- Last position angle: 213
- First separation: 25.7
- Last separation: 28.5
- Mag first component: 11.16
- Mag second component: 11.82
- Spectral type:
- Primary proper motion RA: 29
- Primary proper motion DEC: 20
- Secondary proper motion RA: 8
- Secondary proper motion DEC: -1
- Durchmusterung:
- Notes: