21543-3957
- Unique Name: 21543-3957HJ 5299
- RA: 21 54 17.00
- Dec: -39 56 32.9
- Discoverer: HJ
- Discoverer Number: 5299
- Components:
- First year: 1835
- Last year: 1999
- Observations: 15
- First position angle: 62
- Last position angle: 57
- First separation: 38.0
- Last separation: 34.6
- Mag first component: 9.09
- Mag second component: 9.25
- Spectral type: G8IV:
- Primary proper motion RA: 3
- Primary proper motion DEC: -3
- Secondary proper motion RA: 12
- Secondary proper motion DEC: 21
- Durchmusterung: -4014543
- Notes: N
