query: SELECT DISTINCT ?planet ?planetLabel ?planetDescription ?nom ?nomLabel ?nomDescription
  WHERE {
  	?planet wdt:P31/wdt:P279* wd:Q3132741 .
      ?planet wdt:P138 ?nom.
    ?planet wdt:P397 ?parent.
  	SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }.
  } ORDER BY DESC(?parent)