20405+5217
- Unique Name: 20405+5217TDT2463
- RA: 20 40 30.08
- Dec: +52 16 56.3
- Discoverer: TDT
- Discoverer Number: 2463
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 166
- Last position angle: 166
- First separation: 2.6
- Last separation: 2.6
- Mag first component: 12.12
- Mag second component: 12.2
- Spectral type:
- Primary proper motion RA: 0
- Primary proper motion DEC: 6
- Secondary proper motion RA: 0
- Secondary proper motion DEC: 6
- Durchmusterung:
- Notes: