21247+2555
- Unique Name: 21247+2555GRV 463
- RA: 21 24 44.25
- Dec: +25 55 37.8
- Discoverer: GRV
- Discoverer Number: 463
- Components:
- First year: 1898
- Last year: 2001
- Observations: 4
- First position angle: 34
- Last position angle: 32
- First separation: 34.9
- Last separation: 35.2
- Mag first component: 9.54
- Mag second component: 12.78
- Spectral type:
- Primary proper motion RA: -22
- Primary proper motion DEC: -23
- Secondary proper motion RA: -25
- Secondary proper motion DEC: -16
- Durchmusterung: +25 4532
- Notes: