{"id":36041,"date":"2026-02-12T15:01:56","date_gmt":"2026-02-12T20:01:56","guid":{"rendered":"https:\/\/orionscoldfire.com\/?p=36041"},"modified":"2026-02-12T15:01:56","modified_gmt":"2026-02-12T20:01:56","slug":"guest-contributor-tregonsee-12feb2026-lor-or-vor","status":"publish","type":"post","link":"https:\/\/orionscoldfire.com\/index.php\/2026\/02\/12\/guest-contributor-tregonsee-12feb2026-lor-or-vor\/","title":{"rendered":"Guest Contributor – Tregonsee – 12FEB2026 – LOR OR VOR"},"content":{"rendered":"

There are 3 basic strategies to get to the moon. Direct is the is the first, the ship\/capsule takes off from Earth goes to the moon, lands and then some part of that capsule\/ship takes off from the moon and returns to earth. Because you\u2019re carrying LOTS of weight you don\u2019t need at various points (e.g. the reentry shield on the capsule is dead weight as you land on the moon) the whole thing is VERY heavy. The rockets to do this are immense (e.g. the early NOVA concept\u00a0https:\/\/en.wikipedia.org\/wiki\/Nova_(NASA_rocket)<\/a>\u00a0later repurposed but never used for mars exploration). The other two alternatives are Earth Orbit Rendezvous (EOR) or Lunar Orbit Rendezvous (LOR). In EOR, you go up to a waiting lunar specific lander board it and use it for the earth to moon trip land and return to your Earth\/space vehicle. This is the Von Braun\/2001 model. It\u2019s one weakness is it usually requires in space refueling of your lunar transit\/lander vehicle. This is kind of what I suspect the initial SpaceX model SEEMS to be headed for with a combination of Dragon Crew, Starship cargo\/fuel ferry, and Lunar Starship for transit and landing. The Apollo (and current Artemis) use LOR, with Apollo sort of used a mixed model to keep the LEM as light as possible (for a great dramatiztion of this find episode 9 of\u00a0From the Earth to the Moon,\u00a0<\/em>also good discussion of LOR vs EOR). I think SpaceX\/Musk have realized lunar Starship is overkill for the task presented, thus making EOR more feasible. They also know Starship overall depends on refueling; if they can\u2019t do that it is kind of game over for Starship for any purpose other than LEO delivery of cargo\/ satellites.<\/p>\n","protected":false},"excerpt":{"rendered":"

There are 3 basic strategies to get to the moon. Direct is the is the first, the ship\/capsule takes off from Earth goes to the<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[5,1489,3545],"tags":[478,1596,5135,4931,4897],"class_list":["post-36041","post","type-post","status-publish","format-standard","hentry","category-current-events","category-guest-contributors","category-science","tag-apollo-11-moon-landing","tag-guest-contributors","tag-manned-spaceflight","tag-moon","tag-tregonsee"],"yoast_head":"\nGuest Contributor - Tregonsee - 12FEB2026 - LOR OR VOR - Orion's Cold Fire<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/orionscoldfire.com\/index.php\/2026\/02\/12\/guest-contributor-tregonsee-12feb2026-lor-or-vor\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Guest Contributor - Tregonsee - 12FEB2026 - LOR OR VOR - Orion's Cold Fire\" \/>\n<meta property=\"og:description\" content=\"There are 3 basic strategies to get to the moon. 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