21150+3340
- Unique Name: 21150+3340TDT2857
- RA: 21 14 58.77
- Dec: +33 40 03.2
- Discoverer: TDT
- Discoverer Number: 2857
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 288
- Last position angle: 288
- First separation: 0.5
- Last separation: 0.5
- Mag first component: 11.77
- Mag second component: 11.84
- Spectral type:
- Primary proper motion RA: -13
- Primary proper motion DEC: -7
- Secondary proper motion RA: -13
- Secondary proper motion DEC: -7
- Durchmusterung:
- Notes: