20587+3942
- Unique Name: 20587+3942BKO 477
- RA: 20 58 39.08
- Dec: +39 41 24.2
- Discoverer: BKO
- Discoverer Number: 477
- Components:
- First year: 1998
- Last year: 2008
- Observations: 3
- First position angle: 9
- Last position angle: 9
- First separation: 7.9
- Last separation: 8.0
- Mag first component: 13.6
- Mag second component: 13.8
- Spectral type:
- Primary proper motion RA: 8
- Primary proper motion DEC: 3
- Secondary proper motion RA: -8
- Secondary proper motion DEC: -24
- Durchmusterung:
- Notes: