21287+5954
- Unique Name: 21287+5954LDS4890
- RA: 21 28 43.32
- Dec: +59 53 57.6
- Discoverer: LDS
- Discoverer Number: 4890
- Components:
- First year: 1960
- Last year: 2003
- Observations: 3
- First position angle: 35
- Last position angle: 35
- First separation: 24.0
- Last separation: 24.3
- Mag first component: 14.79
- Mag second component: 15.38
- Spectral type:
- Primary proper motion RA: 110
- Primary proper motion DEC: -100
- Secondary proper motion RA: 76
- Secondary proper motion DEC: 99
- Durchmusterung:
- Notes: