21180-2115
- Unique Name: 21180-2115HJ 3017
- RA: 21 17 57.64
- Dec: -21 15 02.7
- Discoverer: HJ
- Discoverer Number: 3017
- Components:
- First year: 1830
- Last year: 2013
- Observations: 10
- First position angle: 200
- Last position angle: 200
- First separation: 12.0
- Last separation: 16.9
- Mag first component: 8.98
- Mag second component: 10.3
- Spectral type: F5V
- Primary proper motion RA: -23
- Primary proper motion DEC: 28
- Secondary proper motion RA: -28
- Secondary proper motion DEC: 24
- Durchmusterung: -21 5981
- Notes: