21078-5702
- Unique Name: 21078-5702HJ 5243
- RA: 21 07 45.29
- Dec: -57 02 02.0
- Discoverer: HJ
- Discoverer Number: 5243
- Components:
- First year: 1834
- Last year: 1999
- Observations: 10
- First position angle: 96
- Last position angle: 96
- First separation: 18.0
- Last separation: 24.3
- Mag first component: 10.59
- Mag second component: 11.05
- Spectral type:
- Primary proper motion RA: -5
- Primary proper motion DEC: 12
- Secondary proper motion RA: 1
- Secondary proper motion DEC: 7
- Durchmusterung: -57 9793
- Notes: N
