21358+3101
- Unique Name: 21358+3101STF2808AC
- RA: 21 35 45.75
- Dec: +31 00 34.9
- Discoverer: STF
- Discoverer Number: 2808
- Components: AC
- First year: 1879
- Last year: 2002
- Observations: 9
- First position angle: 291
- Last position angle: 287
- First separation: 41.3
- Last separation: 42.7
- Mag first component: 8.06
- Mag second component: 11.07
- Spectral type: K1V
- Primary proper motion RA: 25
- Primary proper motion DEC: 11
- Secondary proper motion RA: 1
- Secondary proper motion DEC: 4
- Durchmusterung:
- Notes: U