21257+0051
- Unique Name: 21257+0051GRV 464
- RA: 21 25 46.83
- Dec: +00 51 58.6
- Discoverer: GRV
- Discoverer Number: 464
- Components:
- First year: 2000
- Last year: 2000
- Observations: 3
- First position angle: 300
- Last position angle: 300
- First separation: 26.2
- Last separation: 26.1
- Mag first component: 10.26
- Mag second component: 13.1
- Spectral type:
- Primary proper motion RA: -11
- Primary proper motion DEC: -15
- Secondary proper motion RA: -12
- Secondary proper motion DEC: -19
- Durchmusterung: +00 4723
- Notes: