21156+0419
- Unique Name: 21156+0419TDT2865
- RA: 21 15 38.51
- Dec: +04 18 38.3
- Discoverer: TDT
- Discoverer Number: 2865
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 111
- Last position angle: 111
- First separation: 2.3
- Last separation: 2.3
- Mag first component: 11.09
- Mag second component: 11.5
- Spectral type:
- Primary proper motion RA: 6
- Primary proper motion DEC: -3
- Secondary proper motion RA: 6
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: X
