21263-5257
- Unique Name: 21263-5257RST1089
- RA: 21 26 19.18
- Dec: -52 56 54.2
- Discoverer: RST
- Discoverer Number: 1089
- Components:
- First year: 1930
- Last year: 1948
- Observations: 2
- First position angle: 98
- Last position angle: 99
- First separation: 0.8
- Last separation: 0.6
- Mag first component: 12.2
- Mag second component: 12.3
- Spectral type:
- Primary proper motion RA: -13
- Primary proper motion DEC: -30
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: -5310067
- Notes: