21155+3114
- Unique Name: 21155+3114TDT2862
- RA: 21 15 32.03
- Dec: +31 13 49.6
- Discoverer: TDT
- Discoverer Number: 2862
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 305
- Last position angle: 305
- First separation: 0.5
- Last separation: 0.5
- Mag first component: 11.39
- Mag second component: 11.4
- Spectral type:
- Primary proper motion RA: -2
- Primary proper motion DEC: 0
- Secondary proper motion RA: -2
- Secondary proper motion DEC: 0
- Durchmusterung:
- Notes: