21139+3513
- Unique Name: 21139+3513TDT2841
- RA: 21 13 51.49
- Dec: +35 13 29.7
- Discoverer: TDT
- Discoverer Number: 2841
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 302
- Last position angle: 302
- First separation: 1.9
- Last separation: 1.9
- Mag first component: 10.93
- Mag second component: 12.31
- Spectral type:
- Primary proper motion RA: -6
- Primary proper motion DEC: -3
- Secondary proper motion RA: -6
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: