02181+5731
- Unique Name: 02181+5731S 409AD
- RA: 02 18 04.58
- Dec: +57 30 58.7
- Discoverer: S
- Discoverer Number: 409
- Components: AD
- First year: 1824
- Last year: 2011
- Observations: 20
- First position angle: 136
- Last position angle: 136
- First separation: 124.5
- Last separation: 123.4
- Mag first component: 6.11
- Mag second component: 9.62
- Spectral type: G7III
- Primary proper motion RA: -13
- Primary proper motion DEC: -2
- Secondary proper motion RA: -7
- Secondary proper motion DEC: 4
- Durchmusterung: +56 487
- Notes: N D