20310+2007
- Unique Name: 20310+2007HJ 2974
- RA: 20 30 59.23
- Dec: +20 07 15.6
- Discoverer: HJ
- Discoverer Number: 2974
- Components:
- First year: 1831
- Last year: 2004
- Observations: 15
- First position angle: 287
- Last position angle: 297
- First separation: 15.0
- Last separation: 14.3
- Mag first component: 9.7
- Mag second component: 9.93
- Spectral type: K2
- Primary proper motion RA: -8
- Primary proper motion DEC: -19
- Secondary proper motion RA: -10
- Secondary proper motion DEC: -3
- Durchmusterung: +19 4432
- Notes: