20556+4004
- Unique Name: 20556+4004TDT2634
- RA: 20 55 37.16
- Dec: +40 04 08.8
- Discoverer: TDT
- Discoverer Number: 2634
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 187
- Last position angle: 187
- First separation: 0.9
- Last separation: 0.9
- Mag first component: 11.73
- Mag second component: 12.37
- Spectral type:
- Primary proper motion RA: 8
- Primary proper motion DEC: 7
- Secondary proper motion RA: 8
- Secondary proper motion DEC: 7
- Durchmusterung:
- Notes: