20218+1729
- Unique Name: 20218+1729BPM2128
- RA: 20 21 50.93
- Dec: +17 28 52.4
- Discoverer: BPM
- Discoverer Number: 2128
- Components:
- First year: 1994
- Last year: 2001
- Observations: 3
- First position angle: 282
- Last position angle: 282
- First separation: 75.5
- Last separation: 75.6
- Mag first component: 14.26
- Mag second component: 15.68
- Spectral type:
- Primary proper motion RA: -22
- Primary proper motion DEC: -23
- Secondary proper motion RA: -24
- Secondary proper motion DEC: -22
- Durchmusterung:
- Notes: NV