Semimajor axis vs. eccentricity. The red circles show the new objects discovered in this survey. The larger circles show objects with perihelia above 40 au. The dashed lines show strong mean motion resonances with Neptune. The dotted line shows a constant perihelion of 40 au. Objects to the right of the dotted line have perihelia above 40 au, and thus are mostly decoupled from Neptune. Uncertainties on the orbital parameters are smaller than the symbols.