21092+5421
- Unique Name: 21092+5421LEP 99
- RA: 21 09 13.59
- Dec: +54 21 12.0
- Discoverer: LEP
- Discoverer Number: 99
- Components:
- First year: 1952
- Last year: 2003
- Observations: 3
- First position angle: 27
- Last position angle: 27
- First separation: 113.6
- Last separation: 113.6
- Mag first component: 9.99
- Mag second component: 13.95
- Spectral type: K7
- Primary proper motion RA: 184
- Primary proper motion DEC: -71
- Secondary proper motion RA: 180
- Secondary proper motion DEC: -59
- Durchmusterung: +53 2562
- Notes: