21318+3349
- Unique Name: 21318+3349STF2802
- RA: 21 31 48.94
- Dec: +33 48 56.2
- Discoverer: STF
- Discoverer Number: 2802
- Components:
- First year: 1825
- Last year: 2010
- Observations: 88
- First position angle: 11
- Last position angle: 10
- First separation: 4.3
- Last separation: 3.8
- Mag first component: 8.6
- Mag second component: 8.7
- Spectral type: A5
- Primary proper motion RA: -6
- Primary proper motion DEC: -26
- Secondary proper motion RA: -1
- Secondary proper motion DEC: -2
- Durchmusterung: +33 4285
- Notes: D