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		<id>http://wiki.newmars.com/index.php?action=history&amp;feed=atom&amp;title=Space_transport_economics</id>
		<title>Space transport economics - Revision history</title>
		<link rel="self" type="application/atom+xml" href="http://wiki.newmars.com/index.php?action=history&amp;feed=atom&amp;title=Space_transport_economics"/>
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		<updated>2026-05-24T09:31:12Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://wiki.newmars.com/index.php?title=Space_transport_economics&amp;diff=557&amp;oldid=prev</id>
		<title>Josh Cryer: 1 revision</title>
		<link rel="alternate" type="text/html" href="http://wiki.newmars.com/index.php?title=Space_transport_economics&amp;diff=557&amp;oldid=prev"/>
				<updated>2009-01-21T11:02:39Z</updated>
		
		<summary type="html">&lt;p&gt;1 revision&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;tr style=&#039;vertical-align: top;&#039; lang=&#039;en&#039;&gt;
				&lt;td colspan=&#039;1&#039; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&#039;1&#039; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 11:02, 21 January 2009&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&#039;2&#039; style=&#039;text-align: center;&#039; lang=&#039;en&#039;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Josh Cryer</name></author>	</entry>

	<entry>
		<id>http://wiki.newmars.com/index.php?title=Space_transport_economics&amp;diff=556&amp;oldid=prev</id>
		<title>Noosfractal: /* Earth to Low Earth Orbit (LEO) */</title>
		<link rel="alternate" type="text/html" href="http://wiki.newmars.com/index.php?title=Space_transport_economics&amp;diff=556&amp;oldid=prev"/>
				<updated>2005-10-16T01:08:35Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Earth to Low Earth Orbit (LEO)&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;For economic purposes, transport from Earth to interesting solar system locations may be considered in stages.&lt;br /&gt;
&amp;lt;br&amp;gt;&amp;amp;nbsp;&lt;br /&gt;
&lt;br /&gt;
== Earth to Low Earth Orbit (LEO) == &lt;br /&gt;
&lt;br /&gt;
Three economic targets are considered:&lt;br /&gt;
# Minimum cost to LEO, with negotiable payload.&lt;br /&gt;
# Maximum payload to LEO, with negotiable cost.&lt;br /&gt;
# Minimum cost per kg, with negotiable individual launch cost and payload.&lt;br /&gt;
&lt;br /&gt;
&amp;lt;br&amp;gt;&amp;amp;nbsp;&lt;br /&gt;
&lt;br /&gt;
{| border=&amp;quot;1&amp;quot; cellpadding=&amp;quot;5&amp;quot; style=&amp;quot;margin: 0 0 1em 1em; border-collapse: collapse;&amp;quot;&lt;br /&gt;
| &amp;amp;nbsp;&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;Cost&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;Payload&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;$/kg&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| &amp;amp;nbsp;&lt;br /&gt;
|-&lt;br /&gt;
! colspan=&amp;quot;4&amp;quot; | &amp;#039;&amp;#039;&amp;#039;Today&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
|-&lt;br /&gt;
| Delta II (US)&lt;br /&gt;
| $45M&lt;br /&gt;
| 5.1 tons&lt;br /&gt;
| $9300/kg&lt;br /&gt;
| &amp;amp;nbsp;&lt;br /&gt;
|-&lt;br /&gt;
| Space Shuttle (US)&lt;br /&gt;
| $270M&lt;br /&gt;
| 24.4 tons&lt;br /&gt;
| $11000/kg&lt;br /&gt;
| &amp;amp;nbsp;&lt;br /&gt;
|-&lt;br /&gt;
| Ikar-1 (Russia)&lt;br /&gt;
| $6M&lt;br /&gt;
| 4.2 tons&lt;br /&gt;
| $1900/kg&lt;br /&gt;
| &amp;amp;nbsp;&lt;br /&gt;
|-&lt;br /&gt;
| Proton (Russia)&lt;br /&gt;
| $50M&lt;br /&gt;
| 20.9 tons&lt;br /&gt;
| $2900/kg&lt;br /&gt;
| &amp;amp;nbsp;&lt;br /&gt;
|-&lt;br /&gt;
! colspan=&amp;quot;4&amp;quot; | &amp;#039;&amp;#039;&amp;#039;Near Future&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;Invest. Req.&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
|-&lt;br /&gt;
| Falcon 1 (SpaceX)&lt;br /&gt;
| $6.7M&lt;br /&gt;
| 0.57 tons&lt;br /&gt;
| $11700/kg&lt;br /&gt;
| &amp;amp;nbsp;&lt;br /&gt;
|-&lt;br /&gt;
| Falcon 9 - S9 (SpaceX)&lt;br /&gt;
| $78M&lt;br /&gt;
| 24.7 tons&lt;br /&gt;
| $3200/kg&lt;br /&gt;
| &amp;amp;nbsp;&lt;br /&gt;
|-&lt;br /&gt;
| Energia (Russia)&lt;br /&gt;
| &amp;amp;nbsp;&lt;br /&gt;
| 88 tons&lt;br /&gt;
| &amp;amp;nbsp;&lt;br /&gt;
| &amp;amp;nbsp;&lt;br /&gt;
|-&lt;br /&gt;
! colspan=&amp;quot;4&amp;quot; | &amp;#039;&amp;#039;&amp;#039;Far Future&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
| &amp;#039;&amp;#039;&amp;#039;Invest. Req.&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
|-&lt;br /&gt;
| Space Elevator&lt;br /&gt;
| $40M&lt;br /&gt;
| 20 tons&lt;br /&gt;
| $2/kg&lt;br /&gt;
| $100B&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&amp;lt;br&amp;gt;&amp;amp;nbsp;&lt;br /&gt;
&lt;br /&gt;
== LEO to Geosynchronous Orbit (GEO) == &lt;br /&gt;
&lt;br /&gt;
== LEO to L1 == &lt;br /&gt;
&lt;br /&gt;
== LEO to Luna ==&lt;br /&gt;
&lt;br /&gt;
=== LEO to Luna Transfer Orbit (LTO) === &lt;br /&gt;
&lt;br /&gt;
=== LTO to Low Luna Orbit (LLO) === &lt;br /&gt;
&lt;br /&gt;
=== L1 to LLO === &lt;br /&gt;
&lt;br /&gt;
=== LLO to Luna === &lt;br /&gt;
&lt;br /&gt;
== LEO to Mars ==&lt;br /&gt;
&lt;br /&gt;
=== LEO to Mars Transfer Orbit (MTO) ===&lt;br /&gt;
&lt;br /&gt;
=== L1 to MTO ===&lt;br /&gt;
&lt;br /&gt;
=== MTO to Low Mars Orbit (LMO) ===&lt;br /&gt;
&lt;br /&gt;
=== LMO to Mars === &lt;br /&gt;
&lt;br /&gt;
== See also ==&lt;br /&gt;
&lt;br /&gt;
* [[The Fundamentals of space Travel]]&lt;/div&gt;</summary>
		<author><name>Noosfractal</name></author>	</entry>

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