21142+4556
- Unique Name: 21142+4556TDT2846
- RA: 21 14 10.95
- Dec: +45 56 09.7
- Discoverer: TDT
- Discoverer Number: 2846
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 227
- Last position angle: 227
- First separation: 0.5
- Last separation: 0.5
- Mag first component: 10.7
- Mag second component: 11.06
- Spectral type:
- Primary proper motion RA: 4
- Primary proper motion DEC: 5
- Secondary proper motion RA: 4
- Secondary proper motion DEC: 5
- Durchmusterung:
- Notes: