21190-5043
- Unique Name: 21190-5043HJ 5257
- RA: 21 19 01.86
- Dec: -50 42 45.1
- Discoverer: HJ
- Discoverer Number: 5257
- Components:
- First year: 1834
- Last year: 1999
- Observations: 13
- First position angle: 270
- Last position angle: 273
- First separation: 12.0
- Last separation: 13.4
- Mag first component: 9.15
- Mag second component: 9.88
- Spectral type: F5IV
- Primary proper motion RA: -4
- Primary proper motion DEC: -13
- Secondary proper motion RA: -3
- Secondary proper motion DEC: -13
- Durchmusterung: -5112893
- Notes: D
