21170+3810
- Unique Name: 21170+3810SEI1485
- RA: 21 16 59.65
- Dec: +38 10 08.5
- Discoverer: SEI
- Discoverer Number: 1485
- Components:
- First year: 1895
- Last year: 2002
- Observations: 7
- First position angle: 177
- Last position angle: 176
- First separation: 27.3
- Last separation: 26.7
- Mag first component: 11.38
- Mag second component: 11.88
- Spectral type:
- Primary proper motion RA: -6
- Primary proper motion DEC: -17
- Secondary proper motion RA: 1
- Secondary proper motion DEC: -10
- Durchmusterung:
- Notes: