21317+2458
- Unique Name: 21317+2458POU5397
- RA: 21 31 40.16
- Dec: +24 58 43.3
- Discoverer: POU
- Discoverer Number: 5397
- Components:
- First year: 1899
- Last year: 2008
- Observations: 2
- First position angle: 295
- Last position angle: 301
- First separation: 4.9
- Last separation: 5.8
- Mag first component: 12.76
- Mag second component: 14.8
- Spectral type:
- Primary proper motion RA: -28
- Primary proper motion DEC: -22
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: