21428+0028
- Unique Name: 21428+0028CHE 313
- RA: 21 42 50.67
- Dec: +00 28 12.5
- Discoverer: CHE
- Discoverer Number: 313
- Components:
- First year: 1907
- Last year: 2000
- Observations: 3
- First position angle: 137
- Last position angle: 173
- First separation: 9.7
- Last separation: 7.2
- Mag first component: 12.3
- Mag second component: 13.5
- Spectral type:
- Primary proper motion RA: 54
- Primary proper motion DEC: -15
- Secondary proper motion RA: 8
- Secondary proper motion DEC: -57
- Durchmusterung:
- Notes: