21259+3959
- Unique Name: 21259+3959TDT2958
- RA: 21 25 56.33
- Dec: +39 58 39.3
- Discoverer: TDT
- Discoverer Number: 2958
- Components:
- First year: 1991
- Last year: 1991
- Observations: 1
- First position angle: 109
- Last position angle: 109
- First separation: 0.9
- Last separation: 0.9
- Mag first component: 11.38
- Mag second component: 12.36
- Spectral type:
- Primary proper motion RA: 16
- Primary proper motion DEC: 3
- Secondary proper motion RA: 16
- Secondary proper motion DEC: 3
- Durchmusterung:
- Notes: