21180+0934
- Unique Name: 21180+0934HJ 3021
- RA: 21 18 01.82
- Dec: +09 34 30.2
- Discoverer: HJ
- Discoverer Number: 3021
- Components:
- First year: 1830
- Last year: 2009
- Observations: 10
- First position angle: 243
- Last position angle: 237
- First separation: 15.0
- Last separation: 23.7
- Mag first component: 11.38
- Mag second component: 11.48
- Spectral type:
- Primary proper motion RA: -1
- Primary proper motion DEC: -9
- Secondary proper motion RA: -6
- Secondary proper motion DEC: -17
- Durchmusterung: +08 4645
- Notes: