PeeD
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That trajectory apply for qvasi ballistic issiles and hyper sonic glide vehicle, but conventional ballistic missiles trajectory is different,first fly verticaly at very high attlitude, than, depending on range, warhead fly back at certain angle... ICBM has re entry vehicle that moves outside atmosphere, which means once it reach space, it needs very little energy to fly at long distance. Without resistance it just need turn engine or jet vanes for few seconds and it will go as long as you want... than needs turn on engine/jet vanes again only when need path correction or brake... This ICBM trajectory and calcultuon is joke...
For example N. Korea latest ICBM tests were missile lunch to high attlitude, without actualy hit anything on the ground... and they actualy keep record with missile reached 4000km attlitude...but that was only thing they need to do,since that attlitude is far more than required for ICBM missiles capable to git any place on earth.... once re entry vehicle go out of atmosphere...with very small booster it can reach anywhere... since it doesnt need constant energy to move, instead need just small amount of energy to kick on vehicle few times when need path correction.. and thus one small booster if you want to have manueverable warhead capable to change trajectory at terminal stage.... So, basicly, for ICBM conversion, payload and range should not be just converted 1:1, technology is inter connected but positioning and speed up sattalitelite in orbit require few manuevers more than deliver re entry vehicle at certain attlitude...So if you have powerfull propulsion and missile to deliver payload out of atmosphere at attlitude required for ICBM , along with re entry vehicle technology, than it is irelevant 10.000,12.000 or 15k...
What you describe is a FOBS, its a little different to a pure ballistic missile.