21577-2747
- Unique Name: 21577-2747HJ 3068
- RA: 21 57 43.37
- Dec: -27 46 49.6
- Discoverer: HJ
- Discoverer Number: 3068
- Components:
- First year: 1830
- Last year: 2000
- Observations: 10
- First position angle: 287
- Last position angle: 285
- First separation: 6.0
- Last separation: 12.9
- Mag first component: 9.61
- Mag second component: 11.4
- Spectral type: G0V
- Primary proper motion RA: 36
- Primary proper motion DEC: -4
- Secondary proper motion RA: 10
- Secondary proper motion DEC: -5
- Durchmusterung: -2817523
- Notes: