Editing Delta-v (section)

===Around the Solar System{{Anchor |Delta-vs around the Solar System}}===<!-- This section is linked from [[Spacecraft propulsion]] -->
[[Image:Delta-Vs for inner Solar System.svg|upright=1.6|thumb|Delta-''v'' map of the inner Solar System]]
Delta-''v'' needed for various orbital manoeuvers using conventional rockets; red arrows show where optional [[aerobraking]] can be performed in that particular direction, black numbers give delta-''v'' in km/s that apply in either direction.<ref name=marsdeltavs>{{cite web|title=Rockets and Space Transportation |url=http://www.pma.caltech.edu/~chirata/deltav.html |access-date=June 1, 2013|archive-url=https://web.archive.org/web/20070701211813/http://www.pma.caltech.edu/~chirata/deltav.html |archive-date=July 1, 2007 }}</ref><ref>{{cite web|title=Delta-V Calculator|url=http://www.strout.net/info/science/delta-v/intro.html|archive-url=https://web.archive.org/web/20000312041150/http://www.strout.net/info/science/delta-v/intro.html|archive-date=March 12, 2000|url-status=live}} Gives figures of 8.6 from Earth's surface to LEO, 4.1 and 3.8 for LEO to lunar orbit (or L5) and GEO resp., 0.7 for L5 to lunar orbit, and 2.2 for lunar orbit to lunar surface. Figures are said to come from Chapter 2 of [https://science.nas.nasa.gov/Services/Education/SpaceSettlement/75SummerStudy/s.s.doc.html Space Settlements: A Design Study] {{webarchive|url=http://webarchive.loc.gov/all/20011128074814/http://science.nas.nasa.gov/services/education/spacesettlement/75summerstudy/s.s.doc.html |date=2001-11-28 }} on the NASA website .</ref> Lower-delta-''v'' transfers than shown can often be achieved, but involve rare transfer windows or take significantly longer, see: {{section link|Orbital mechanics#Interplanetary Transport Network and fuzzy orbits}}. 
;C3: [[Escape orbit]]
;GEO: [[Geosynchronous orbit]]
;GTO: [[Geostationary transfer orbit]]
;L4/5: Earth–Moon {{L4}}{{L5}} [[Lagrangian point]]
;LEO: [[Low Earth orbit]]
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