21151+4642
- Unique Name: 21151+4642TDT2858
- RA: 21 15 08.19
- Dec: +46 42 28.4
- Discoverer: TDT
- Discoverer Number: 2858
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 215
- Last position angle: 215
- First separation: 2.2
- Last separation: 2.2
- Mag first component: 11.7
- Mag second component: 12.38
- Spectral type:
- Primary proper motion RA: 13
- Primary proper motion DEC: 13
- Secondary proper motion RA: 13
- Secondary proper motion DEC: 13
- Durchmusterung:
- Notes: