Is There a Smaller 2-Body System Than an Asteroid and Its Moon?

[wolram]

I seem to remember an asteroid that has a small moon orbiting it, is my memory correct?

 

[D H]

http://en.wikipedia.org/wiki/Minor-planet_moon#List_of_minor_planets_with_moons

Also, http://echo.jpl.nasa.gov/~lance/binary.neas.html

 

[wolram]

Thanks DH, i did not know there were so many.