query: SELECT ?object ?objectLabel (MAX(?mass) AS ?mass)
  WHERE
  {
    ?object p:P2067/psv:P2067 [
      wikibase:quantityAmount ?baseMass;
      wikibase:quantityUnit [
        p:P2370/psv:P2370 [
          wikibase:quantityAmount ?unitMass;
          wikibase:quantityUnit wd:Q11570
        ]
      ]
    ].
    BIND(?baseMass * ?unitMass AS ?mass).
    MINUS { ?object wdt:P31 wd:Q3647172. }
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
  }
  GROUP BY ?object ?objectLabel
  ORDER BY DESC(?mass)