21181+3500
- Unique Name: 21181+3500SLE 383
- RA: 21 18 08.64
- Dec: +35 00 04.5
- Discoverer: SLE
- Discoverer Number: 383
- Components:
- First year: 1941
- Last year: 2002
- Observations: 7
- First position angle: 59
- Last position angle: 58
- First separation: 13.8
- Last separation: 15.0
- Mag first component: 10.49
- Mag second component: 11.92
- Spectral type:
- Primary proper motion RA: -8
- Primary proper motion DEC: -6
- Secondary proper motion RA: 7
- Secondary proper motion DEC: 1
- Durchmusterung:
- Notes: