anchor.diff:            .text(function(d) { return d.delta_v; });
   
         asteroidEnter.append("td")
  +          .text(function(d) { return d.impact_prob; });
  +
  +      asteroidEnter.append("td")
             .text(function(d) { return d.pha; });
  -
   
   
   // <a href="https://twitter.com/share" class="twitter-share-button"
  
positive.code: </table>
  
    </div>
   <!--<div class="panel-footer"> XXX of Asteroids selected. </div>-->
   <!-- <div class="panel-footer"><aside id="totals"><span id="active">-</span> of <span id="total">-</span> asteroids selected.</aside></div>-->
  </div>
  
  
  
negative.code:       var asteroidEnter = asteroid.enter().append("tr")
                                    .attr("class", function(d) {
  
                                      if (d.impact_prob_float == null) {
                                        return "asteroid unknown-danger";
                                      } else if (+d.impact_prob_float <= 0.0) {
                                        return "asteroid";
                                      } else if (+d.impact_prob_float > 0.0 && +d.impact_prob_float <= 0.00001 ) {
                                        return "asteroid success";
                                      } else if (+d.impact_prob_float > 0.00001 && +d.impact_prob_float <= 0.0001 ) {
                                        return "asteroid warning";
                                      } else if (+d.impact_prob_float > 0.0001 && +d.impact_prob_float <= 0.001 ) {
                                        return "asteroid med-danger";
                                      } else if (+d.impact_prob_float > 0.001 ) {
                                        return "asteroid high-danger"
                                      }
  
  