21440+8208
- Unique Name: 21440+8208MLR 251
- RA: 21 43 57.31
- Dec: +82 07 39.0
- Discoverer: MLR
- Discoverer Number: 251
- Components:
- First year: 1971
- Last year: 2004
- Observations: 5
- First position angle: 24
- Last position angle: 38
- First separation: 1.3
- Last separation: 1.6
- Mag first component: 10.78
- Mag second component: 11.32
- Spectral type: K5
- Primary proper motion RA: 80
- Primary proper motion DEC: 85
- Secondary proper motion RA: 80
- Secondary proper motion DEC: 85
- Durchmusterung: +81 754
- Notes: