21121+7619
- Unique Name: 21121+7619STT 436
- RA: 21 12 03.86
- Dec: +76 18 36.6
- Discoverer: STT
- Discoverer Number: 436
- Components:
- First year: 1848
- Last year: 2003
- Observations: 11
- First position angle: 230
- Last position angle: 227
- First separation: 11.6
- Last separation: 11.9
- Mag first component: 7.0
- Mag second component: 10.5
- Spectral type: B9IV
- Primary proper motion RA: 10
- Primary proper motion DEC: 9
- Secondary proper motion RA: 8
- Secondary proper motion DEC: 6
- Durchmusterung: +75 778
- Notes:
