21584+3643
- Unique Name: 21584+3643LDS4930
- RA: 21 58 24.41
- Dec: +36 42 14.6
- Discoverer: LDS
- Discoverer Number: 4930
- Components:
- First year: 1960
- Last year: 2000
- Observations: 2
- First position angle: 163
- Last position angle: 163
- First separation: 34.0
- Last separation: 33.8
- Mag first component: 15.01
- Mag second component: 18.99
- Spectral type:
- Primary proper motion RA: 201
- Primary proper motion DEC: -41
- Secondary proper motion RA: 201
- Secondary proper motion DEC: -41
- Durchmusterung:
- Notes: