21055+2901
- Unique Name: 21055+2901MLB 536
- RA: 21 05 22.68
- Dec: +29 02 40.6
- Discoverer: MLB
- Discoverer Number: 536
- Components:
- First year: 1927
- Last year: 2002
- Observations: 3
- First position angle: 236
- Last position angle: 236
- First separation: 4.7
- Last separation: 5.4
- Mag first component: 10.5
- Mag second component: 12.5
- Spectral type:
- Primary proper motion RA: 0
- Primary proper motion DEC: -1
- Secondary proper motion RA: -23
- Secondary proper motion DEC: -15
- Durchmusterung:
- Notes: