
== density 3000: minimum self-holding shape (width needed at each height)
     6,603 km from centre (     0 km above surface): width  8,997 km
     8,000 km from centre ( 1,397 km above surface): width  8,131 km
    10,000 km from centre ( 3,397 km above surface): width  6,202 km
    12,000 km from centre ( 5,397 km above surface): width  3,859 km
    13,000 km from centre ( 6,397 km above surface): width  3,000 km
    13,917 km from centre ( 7,314 km above surface): width  3,000 km
    16,000 km from centre ( 9,397 km above surface): width  3,000 km
    18,705 km from centre (12,102 km above surface): width  3,000 km
   lobe mass 13% of Earth = 10 lunar masses

== density 4000: minimum self-holding shape (width needed at each height)
     6,603 km from centre (     0 km above surface): width  8,343 km
     8,000 km from centre ( 1,397 km above surface): width  7,383 km
    10,000 km from centre ( 3,397 km above surface): width  5,517 km
    12,000 km from centre ( 5,397 km above surface): width  3,393 km
    13,000 km from centre ( 6,397 km above surface): width  3,000 km
    13,917 km from centre ( 7,314 km above surface): width  3,000 km
    16,000 km from centre ( 9,397 km above surface): width  3,000 km
    18,705 km from centre (12,102 km above surface): width  3,000 km
   lobe mass 14% of Earth = 12 lunar masses
