21117+1821
- Unique Name: 21117+1821LDS1051
- RA: 21 11 39.60
- Dec: +18 22 04.2
- Discoverer: LDS
- Discoverer Number: 1051
- Components:
- First year: 1936
- Last year: 2001
- Observations: 3
- First position angle: 87
- Last position angle: 88
- First separation: 296.0
- Last separation: 298.0
- Mag first component: 14.57
- Mag second component: 15.84
- Spectral type:
- Primary proper motion RA: 13
- Primary proper motion DEC: -193
- Secondary proper motion RA: 74
- Secondary proper motion DEC: -262
- Durchmusterung:
- Notes: N
