21307-7121
- Unique Name: 21307-7121GLI 270
- RA: 21 30 43.45
- Dec: -71 20 56.0
- Discoverer: GLI
- Discoverer Number: 270
- Components:
- First year: 1851
- Last year: 2000
- Observations: 2
- First position angle: 318
- Last position angle: 316
- First separation: 30.3
- Last separation: 28.9
- Mag first component: 9.0
- Mag second component: 9.1
- Spectral type: K0III+A2V
- Primary proper motion RA: 4
- Primary proper motion DEC: 8
- Secondary proper motion RA: 6
- Secondary proper motion DEC: 10
- Durchmusterung: -71 2611
- Notes: