21171+3530
- Unique Name: 21171+3530SLE 378
- RA: 21 17 08.19
- Dec: +35 30 09.5
- Discoverer: SLE
- Discoverer Number: 378
- Components:
- First year: 1982
- Last year: 2002
- Observations: 3
- First position angle: 28
- Last position angle: 27
- First separation: 11.6
- Last separation: 11.3
- Mag first component: 11.6
- Mag second component: 12.0
- Spectral type:
- Primary proper motion RA: -1
- Primary proper motion DEC: 0
- Secondary proper motion RA: 6
- Secondary proper motion DEC: 2
- Durchmusterung:
- Notes: