21070+5900
- Unique Name: 21070+5900STF2766
- RA: 21 07 00.38
- Dec: +58 59 44.6
- Discoverer: STF
- Discoverer Number: 2766
- Components:
- First year: 1828
- Last year: 2011
- Observations: 40
- First position angle: 250
- Last position angle: 248
- First separation: 4.0
- Last separation: 4.6
- Mag first component: 8.79
- Mag second component: 9.11
- Spectral type: F5 F5
- Primary proper motion RA: 9
- Primary proper motion DEC: -11
- Secondary proper motion RA: 9
- Secondary proper motion DEC: -15
- Durchmusterung: +58 2227
- Notes: D