21121-3035
- Unique Name: 21121-3035BU 251
- RA: 21 12 07.38
- Dec: -30 35 21.5
- Discoverer: BU
- Discoverer Number: 251
- Components:
- First year: 1874
- Last year: 1991
- Observations: 24
- First position angle: 250
- Last position angle: 232
- First separation: 2.5
- Last separation: 2.1
- Mag first component: 7.37
- Mag second component: 9.35
- Spectral type: F5V
- Primary proper motion RA: -11
- Primary proper motion DEC: -23
- Secondary proper motion RA: -11
- Secondary proper motion DEC: -23
- Durchmusterung: -3118118
- Notes: D