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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="chrome=1">
<title>KSP Launch Window Planner by alexmoon</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link href="stylesheets/bootstrap.min.css" rel="stylesheet" media="screen">
<link href="stylesheets/bootstrap-theme.min.css" rel="stylesheet" media="screen">
<!--[if lt IE 9]>
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<script src="javascripts/jquery-2.0.0.min.js" type="text/javascript"></script>
<script src="javascripts/numeric-1.2.6.min.js" type="text/javascript"></script>
<script src="javascripts/quaternion.js" type="text/javascript"></script>
<script src="javascripts/roots.js" type="text/javascript"></script>
<script src="javascripts/lambert.js" type="text/javascript"></script>
<script src="javascripts/orbit.js" type="text/javascript"></script>
<script src="javascripts/celestialbodies.js" type="text/javascript"></script>
<script src="javascripts/kerbaltime.js" type="text/javascript"></script>
<script src="javascripts/celestialbodyform.js" type="text/javascript"></script>
<script src="javascripts/missionform.js" type="text/javascript"></script>
<script src="javascripts/porkchopplot.js" type="text/javascript"></script>
<script src="javascripts/porkchop.js" type="text/javascript"></script>
<script src="javascripts/bootstrap.min.js" type="text/javascript"></script>
<style type="text/css">
dd, dt {
margin-bottom: 5px;
}
input {
text-align: right;
}
#bodyName {
text-align: left;
}
.popover-content dl {
margin-bottom: 0;
}
.popover-content dt {
width: 100px;
margin-bottom: 0;
font-weight: normal;
font-style: italic;
}
.popover-content dd {
margin-left: 120px;
margin-bottom: 0;
}
.form-horizontal .form-inline .form-group {
margin-left: 0;
margin-right: 0;
}
@media screen and (min-width: 768px) {
.form-inline select {
min-width: 12em;
}
}
@media screen and (min-width: 992px) {
.form-inline select {
min-width: 9em;
}
}
@media screen and (min-width: 1200px) {
.form-inline select {
min-width: 14.5em;
}
}
@media screen and (min-width: 768px) and (max-width: 992px) {
.hidden-sm-inline {
position: absolute;
width: 1px;
height: 1px;
padding: 0;
margin: -1px;
overflow: hidden;
clip: rect(0, 0, 0, 0);
border: 0;
}
}
a[rel="license"] img { float: right; }
.grabbing {
cursor: move !important;
cursor: -moz-grabbing !important;
cursor: -webkit-grabbing !important;
cursor: grabbing !important;
}
#porkchopProgress {
background-color: rgba(255, 255, 255, 0.5);
padding: 5px;
border-radius: 5px;
}
.radio:last-child {
padding-bottom: 7px;
}
</style>
</head>
<body>
<div class="container">
<header class="page-header">
<h1>Launch Window Planner <small>for Kerbal Space Program</small></h1>
</header>
<section>
<div class="row">
<div class="col-sm-7 col-md-7 col-lg-7">
<h4>Mission parameters</h4>
<form class="form-horizontal" id="porkchopForm">
<fieldset>
<div class="form-group">
<label class="col-sm-4 col-md-4 control-label" for="originSelect">Date format</label>
<div class="col-sm-8 col-md-8">
<div class="radio">
<label>
<input type="radio" name="dateFormat" id="kerbinTime" value="kerbin" checked>
Kerbin Time (6h days, 426d years)
</label>
</div>
<div class="radio">
<label>
<input type="radio" name="dateFormat" id="earthTime" value="earth">
Earth Time (24h days, 365d years)
</label>
</div>
</div>
<div class="form-group">
<label class="col-sm-4 col-md-4 control-label" for="originSelect">Origin</label>
<div class="col-sm-8 col-md-8">
<div class="form-inline">
<div class="form-group">
<select id="originSelect" class="form-control">
</select>
</div>
<div class="btn-group pull-right">
<button id="originEditBtn" type="button" class="btn btn-default">
<span class="glyphicon glyphicon-edit"></span>
<span class="hidden-sm-inline">Edit orbit</span>
</button>
<button id="originAddBtn" type="button" class="btn btn-default">
<span class="glyphicon glyphicon-plus"></span>
<span class="hidden-sm-inline">Add body</span>
</button>
</div>
</div>
</div>
</div>
<div class="form-group">
<label class="col-sm-4 col-md-4 control-label" for="initialOrbit">Initial orbit</label>
<div class="col-sm-8 col-md-8">
<div class="input-group">
<input type="text" class="form-control" id="initialOrbit" value="100">
<span class="altitude input-group-addon" data-toggle="tooltip" data-placement="right" title="Above mean surface level">km</span>
</div>
</div>
</div>
<div class="form-group">
<label class="col-sm-4 col-md-4 control-label" for="destinationSelect">Destination</label>
<div class="col-sm-8 col-md-8">
<div class="form-inline">
<div class="form-group">
<select id="destinationSelect" class="form-control" disabled>
</select>
</div>
<div class="btn-group pull-right">
<button id="destinationEditBtn" type="button" class="btn btn-default">
<span class="glyphicon glyphicon-edit"></span>
<span class="hidden-sm-inline">Edit orbit</span>
</button>
<button id="destinationAddBtn" type="button" class="btn btn-default">
<span class="glyphicon glyphicon-plus"></span>
<span class="hidden-sm-inline">Add body</span>
</button>
</div>
</div>
</div>
</div>
<div class="form-group">
<label class="col-sm-4 col-md-4 control-label" for="finalOrbit">Final orbit</label>
<div class="col-sm-8 col-md-8">
<div class="input-group">
<input type="text" class="form-control" id="finalOrbit" value="100">
<span class="altitude input-group-addon" data-toggle="tooltip" data-placement="right" title="Above mean surface level">km</span>
</div>
</div>
</div>
<div class="form-group">
<div class="col-sm-offset-4 col-md-offset-4 col-sm-8 col-md-8">
<div class="checkbox">
<label for="noInsertionBurnCheckbox">
<input type="checkbox" id="noInsertionBurnCheckbox">
No insertion burn (e.g. aerocapture or fly-by)
</label>
</div>
</div>
</div>
<div class="form-group">
<label class="col-sm-4 col-md-4 control-label" for="earliestDepartureYear">Earliest departure</label>
<div class="col-sm-8 col-md-8">
<div class="input-group">
<span class="input-group-addon">Year</span>
<input type="number" class="form-control" id="earliestDepartureYear" value="1" min="1" step="any">
<span class="input-group-addon">day</span>
<input type="number" class="form-control" id="earliestDepartureDay" value="1" min="1" step="any">
</div>
</div>
</div>
<div class="form-group">
<label class="col-sm-4 col-md-4 control-label" for="transferTypeSelect">Transfer type</label>
<div class="col-sm-8 col-md-8">
<select id="transferTypeSelect" class="form-control">
<option value="ballistic" selected>Ballistic</option>
<option value="optimalPlaneChange">Mid-course plane change</option>
<option value="optimal">Optimal</option>
</select>
</div>
</div>
</fieldset>
<div class="form-group">
<a id="showAdvancedControls" class="col-sm-offset-4 col-md-offset-4 col-sm-8 col-md-8">Show advanced settings...</a>
</div>
<fieldset id="advancedControls" style="display: none">
<div class="form-group">
<label class="col-sm-4 col-md-4 control-label" for="latestDepartureYear">Latest departure</label>
<div class="col-sm-8 col-md-8">
<div class="input-group">
<span class="input-group-addon">Year</span>
<input type="number" class="form-control" id="latestDepartureYear" value="1" min="1" step="any">
<span class="input-group-addon">day</span>
<input type="number" class="form-control" id="latestDepartureDay" value="1" min="1" step="any">
</div>
</div>
</div>
<div class="form-group">
<label class="col-sm-4 col-md-4 control-label" for="shortestTimeOfFlight">Time of flight</label>
<div class="col-sm-8 col-md-8">
<div class="input-group">
<input type="text" class="form-control" id="shortestTimeOfFlight" value="1">
<span class="input-group-addon">to</span>
<input type="text" class="form-control" id="longestTimeOfFlight" value="1">
<span class="input-group-addon">days</span>
</div>
</div>
</div>
</fieldset>
<fieldset>
<div class="form-group">
<div class="col-sm-offset-4 col-md-offset-4 col-sm-8 col-md-8">
<button type="submit" id="porkchopSubmit" class="btn btn-primary">
<span class="glyphicon glyphicon-circle-arrow-down"></span>
Plot it!
</button>
<button type="reset" id="reset" class="btn btn-default">
<span class="glyphicon glyphicon-repeat"></span>
Reset
</button>
</div>
</div>
</fieldset>
</form>
</div>
<div class="col-sm-5 col-md-5 col-lg-5">
<h4>Basic instructions</h4>
<ol>
<li>Select the celestial body you will be departing from.</li>
<li>Enter the altitude of your parking orbit around that body. This is assumed to be a circular, equatorial orbit.</li>
<li>Select the celestial body you wish to travel to.</li>
<li>Enter the altitude of the orbit you wish to establish around your destination body. You may check the "No insertion burn" checkbox instead if you intend to perform a fly-by or aerobraking maneuver.</li>
<li>Enter the earliest departure date to include in the plot. Generally this should be your current game time, which you can find in the tracking station in the game.</li>
<li>Click the "Plot it!" button. After a few seconds a plot will appear showing how much Δv is required to reach your destination for different departure dates and times of flight. Click on any point on this plot to see full details of the selected transfer.</li>
</ol>
</div>
</div>
<div class="row">
<div class="col-sm-9 col-md-7 col-lg-offset-1 col-lg-6">
<h4 style="text-align: center;">Delta-v transfer plot</h4>
<div id="porkchopContainer" style="position: relative">
<canvas width="540" height="360" id="porkchopCanvas" style="cursor: crosshair"></canvas>
<div class="progressContainer" style="position: absolute; top: 100px; left: 80px; width: 280px; display: none">
<h5 style="text-align: center">Calculating...</h5>
<div class="progress">
<div class="progress-bar" style="width: 0; transition: width 0.1s linear"></div>
</div>
</div>
<button class="zoomInBtn" class="btn btn-default" style="position: absolute; top: 10px; left: 80px; padding: 3px 6px; font-size: 11px" disabled>
<span class="glyphicon glyphicon-plus"></span>
<span class="sr-only">Zoom in</span>
</button>
<button class="zoomOutBtn" class="btn btn-default" style="position: absolute; top: 38px; left: 80px; padding: 3px 6px; font-size: 11px" disabled>
<span class="glyphicon glyphicon-minus"></span>
<span class="sr-only">Zoom out</span>
</button>
</div>
</div>
<div id="transferDetails" class="col-sm-12 col-md-5 col-lg-5" style="display: none">
<h4>Selected transfer details</h4>
<dl class="dl-horizontal">
<dt>Departure</dt>
<dd><abbr id="departureTime"></abbr></dd>
<dt>Arrival</dt>
<dd><abbr id="arrivalTime"></abbr></dd>
<dt>Time of flight</dt>
<dd><abbr id="timeOfFlight"></abbr></dd>
<dt>Phase angle</dt>
<dd id="phaseAngle"></dd>
<dt class="ejectionAngle">Ejection angle</dt>
<dd id="ejectionAngle" class="ejectionAngle"></dd>
<dt class="ballisticTransfer">Ejection inclination</dt>
<dd id="ejectionInclination" class="ballisticTransfer"></dd>
<dt>Ejection Δv</dt>
<dd>
<span id="ejectionDeltaV"></span>
<a id="ejectionDeltaVInfo" class="glyphicon glyphicon-info-sign" href="#" data-toggle="popover" data-placement="bottom" title="Ejection burn details"></a>
</dd>
<dt>Transfer periapsis</dt>
<dd id="transferPeriapsis"></dd>
<dt>Transfer apoapsis</dt>
<dd id="transferApoapsis"></dd>
<dt class="ballisticTransfer">Transfer inclination</dt>
<dd id="transferInclination" class="ballisticTransfer"></dd>
<dt>Transfer angle</dt>
<dd id="transferAngle"></dd>
<dt class="planeChangeTransfer">Plane change time</dt>
<dd class="planeChangeTransfer"><abbr id="planeChangeTime"></abbr></dd>
<dt class="planeChangeTransfer">Angle to intercept</dt>
<dd id="planeChangeAngleToIntercept" class="planeChangeTransfer"></dd>
<dt class="planeChangeTransfer">Plane change angle</dt>
<dd id="planeChangeAngle" class="planeChangeTransfer"></dd>
<dt class="planeChangeTransfer">Plane change Δv</dt>
<dd class="planeChangeTransfer"><abbr id="planeChangeDeltaV"></abbr></dd>
<dt>Insertion inclination</dt>
<dd id="insertionInclination"></dd>
<dt>Insertion Δv</dt>
<dd id="insertionDeltaV"></dd>
<dt>Total Δv</dt>
<dd id="totalDeltaV"></dd>
<dd>
<button id="refineTransferBtn" type="button" class="btn btn-default">
<span class="glyphicon glyphicon-resize-small"></span>
Refine transfer
</button>
</dd>
</dl>
</div>
</div>
<div class="row">
<h4>Acknowledgements</h4>
<ul>
<li>Olex's beautiful <a href="http://ksp.olex.biz">Interactive illustrated interplanetary guide and calculator</a> which inspired me to create this tool as a web page.</li>
<li>Robert Braeunig's excellent <a href="http://www.braeunig.us/space/">Rocket and Space Technology</a> which provided most of the math powering these calculations.</li>
<li>And of course <a href="https://kerbalspaceprogram.com">Kerbal Space Program</a> for motivating me to finally learn orbital mechanics.</li>
</ul>
</div>
</section>
<footer>
<a href="https://github.com/alexmoon/ksp"><img style="position: absolute; top: 0; right: 0; border: 0;" src="img/forkme_right_darkblue_121621.png" alt="Fork me on GitHub"></a>
<a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/deed.en_US"><img alt="Creative Commons License" style="border-width:0" src="http://i.creativecommons.org/l/by-nc-sa/4.0/88x31.png" /></a><span xmlns:dct="http://purl.org/dc/terms/" href="http://purl.org/dc/dcmitype/InteractiveResource" property="dct:title" rel="dct:type">Launch Window Planner</span> by <a xmlns:cc="http://creativecommons.org/ns#" href="https://github.com/alexmoon/ksp" property="cc:attributionName" rel="cc:attributionURL">Alex Moon</a> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/deed.en_US">Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License</a>. Icons by <a href="http://glyphicons.com/">Glyphicons</a>.
</footer>
</div>
<form id="bodyForm" class="form-horizontal modal fade" tabindex="-1" role="dialog">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
<h4>New Orbital Body</h4>
</div>
<div class="modal-body">
<div class="form-group">
<label class="col-sm-5 control-label" for="bodyType">Body type</label>
<div class="col-sm-7">
<ul id="bodyType" class="nav nav-pills">
<li class="active">
<a href="#planetFields">Planetary body</a>
</li>
<li>
<a href="#vesselFields">Vessel</a>
</li>
</ul>
</div>
</div>
<div class="form-group">
<label class="col-sm-5 control-label" for="bodyName">Name</label>
<div class="col-sm-7">
<input id="bodyName" class="form-control" type="text">
<span class="help-block"></span>
</div>
</div>
<div class="form-group">
<label class="col-sm-5 control-label" for="referenceBodySelect">Reference body</label>
<div class="col-sm-7">
<select id="referenceBodySelect" class="form-control">
<option>Kerbol</option>
<option>Eve</option>
<option selected>Kerbin</option>
<option>Duna</option>
<option>Jool</option>
</select>
</div>
</div>
<div class="form-group">
<label class="col-sm-5 control-label" for="semiMajorAxis">Semi-major axis</label>
<div class="col-sm-7">
<div class="input-group">
<input type="text" class="form-control" id="semiMajorAxis">
<span class="input-group-addon">km</span>
</div>
<span class="help-block"></span>
</div>
</div>
<div class="form-group">
<label class="col-sm-5 control-label" for="eccentricity">Eccentricity</label>
<div class="col-sm-7">
<input type="text" class="form-control" id="eccentricity">
<span class="help-block"></span>
</div>
</div>
<div class="form-group">
<label class="col-sm-5 control-label" for="inclination">Inclination</label>
<div class="col-sm-7">
<div class="input-group">
<input type="text" class="form-control" id="inclination">
<span class="input-group-addon">°</span>
</div>
<span class="help-block"></span>
</div>
</div>
<div class="form-group">
<label class="col-sm-5 control-label" for="longitudeOfAscendingNode">Longitude of ascending node</label>
<div class="col-sm-7">
<div class="input-group">
<input type="text" class="form-control" id="longitudeOfAscendingNode">
<span class="input-group-addon">°</span>
</div>
<span class="help-block"></span>
</div>
</div>
<div class="form-group">
<label class="col-sm-5 control-label" for="argumentOfPeriapsis">Argument of periapsis</label>
<div class="col-sm-7">
<div class="input-group">
<input type="text" class="form-control" id="argumentOfPeriapsis">
<span class="input-group-addon">°</span>
</div>
<span class="help-block"></span>
</div>
</div>
<div class="tab-content">
<fieldset id="planetFields" class="tab-pane active">
<div class="form-group">
<label class="col-sm-5 control-label" for="meanAnomalyAtEpoch">Mean anomaly at epoch</label>
<div class="col-sm-7">
<input type="text" class="form-control" id="meanAnomalyAtEpoch">
<span class="help-block"></span>
</div>
</div>
<div class="form-group">
<label class="col-sm-5 control-label" for="planetMass">Mass</label>
<div class="col-sm-7">
<div class="input-group">
<input type="text" class="form-control" id="planetMass">
<span class="input-group-addon">kg</span>
</div>
<span class="help-block"></span>
</div>
</div>
<div class="form-group">
<label class="col-sm-5 control-label" for="planetRadius">Radius</label>
<div class="col-sm-7">
<div class="input-group">
<input type="text" class="form-control" id="planetRadius">
<span class="input-group-addon">km</span>
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