21360+5728
- Unique Name: 21360+5728STF2813
- RA: 21 36 02.74
- Dec: +57 28 14.0
- Discoverer: STF
- Discoverer Number: 2813
- Components:
- First year: 1828
- Last year: 2004
- Observations: 22
- First position angle: 261
- Last position angle: 272
- First separation: 12.0
- Last separation: 10.4
- Mag first component: 9.21
- Mag second component: 9.72
- Spectral type: F5
- Primary proper motion RA: 19
- Primary proper motion DEC: -7
- Secondary proper motion RA: 22
- Secondary proper motion DEC: -4
- Durchmusterung: +56 2600
- Notes: N
