21164+0421
- Unique Name: 21164+0421GRV 442
- RA: 21 16 27.55
- Dec: +04 21 52.7
- Discoverer: GRV
- Discoverer Number: 442
- Components:
- First year: 2000
- Last year: 2000
- Observations: 3
- First position angle: 181
- Last position angle: 181
- First separation: 53.1
- Last separation: 53.0
- Mag first component: 12.3
- Mag second component: 13.57
- Spectral type:
- Primary proper motion RA: -24
- Primary proper motion DEC: -42
- Secondary proper motion RA: -24
- Secondary proper motion DEC: -22
- Durchmusterung:
- Notes: