21161+2517
- Unique Name: 21161+2517POU5302
- RA: 21 16 10.87
- Dec: +25 16 30.2
- Discoverer: POU
- Discoverer Number: 5302
- Components:
- First year: 1898
- Last year: 2001
- Observations: 3
- First position angle: 28
- Last position angle: 33
- First separation: 12.9
- Last separation: 13.4
- Mag first component: 13.62
- Mag second component: 14.19
- Spectral type:
- Primary proper motion RA: 3
- Primary proper motion DEC: 0
- Secondary proper motion RA: 10
- Secondary proper motion DEC: 1
- Durchmusterung:
- Notes: