21075-2159
- Unique Name: 21075-2159DON1001
- RA: 21 07 27.89
- Dec: -21 58 32.7
- Discoverer: DON
- Discoverer Number: 1001
- Components:
- First year: 1920
- Last year: 1999
- Observations: 6
- First position angle: 271
- Last position angle: 271
- First separation: 5.6
- Last separation: 5.7
- Mag first component: 10.14
- Mag second component: 11.3
- Spectral type: G2/3V
- Primary proper motion RA: 38
- Primary proper motion DEC: -7
- Secondary proper motion RA: -113
- Secondary proper motion DEC: -3
- Durchmusterung: -22 5609
- Notes: