anchor.diff:  
               var tmpImpact = [];
               tmpImpact.push(baseAxis);
  -            var probLog = -13;
  +            var probLog = -14;
               if( d.impact_prob_float > 0 ) {
                 probLog = Math.log10(d.impact_prob_float);
               }
  
positive.code:       }
        else if( axisFlag == 3 ) {
          // Size
          options.xAxis.title.text = 'Energy to travel to';
          options.xAxis.type = '';        
        }
  
        options.series.push({color: "#AAAAFF", name: "Distance", data: distanceSeries});
        options.series.push({color: "#FFAABB", name: "Impact Prob", data: impactSeries});
        if( axisFlag != 1 ) {
          options.series.push({color: "#66A2D4", name: "Asteroid Size, x 100m", data: sizeSeries});
        }
        if( axisFlag != 2 ) {
          options.series.push({color: "#FFF730", name: "Orbital Period", data: periodSeries});
        }
        if( axisFlag != 3 ) {
          options.series.push({color: "#20E7AC", name: "Energy", data: energySeries});
        }
  
        // alert("data series size: " + distanceSeries.length);
  
negative.code: 
        if( axisFlag == 0 ) {
          // Date
          options.xAxis.title.text = 'Approach Date';
          options.xAxis.type = 'datetime';
        }
        else if( axisFlag == 1 ) {
          // Size
          options.xAxis.title.text = 'Size, x100m';
          options.xAxis.type = '';        
        }
        else if( axisFlag == 2 ) {
  