21173-2601
- Unique Name: 21173-2601UC 4428
- RA: 21 17 20.73
- Dec: -26 00 46.8
- Discoverer: UC
- Discoverer Number: 4428
- Components:
- First year: 1998
- Last year: 2010
- Observations: 3
- First position angle: 18
- Last position angle: 18
- First separation: 69.5
- Last separation: 69.6
- Mag first component: 9.6
- Mag second component: 14.6
- Spectral type: G1V
- Primary proper motion RA: -59
- Primary proper motion DEC: -49
- Secondary proper motion RA: -66
- Secondary proper motion DEC: -56
- Durchmusterung:
- Notes: V