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<!DOCTYPE html>
<html>
<head>
<title>Hack-A-Sat 2 Quals Data Dump</title>
<link href='statdump.css' media='all' rel='stylesheet'>
<meta charset='utf-8'>
</head>
<body>
<div id='content'>
<nav>
<ul>
<li>
<a href='../challenges.html'>All Challenges</a>
</li>
<li>
<a href='../index.html'>Statdump Root</a>
</li>
</ul>
</nav>
<h1>Mr. Radar</h1>
<p>
Guardians of the…
</p>
<p><p>Given the radar pulse returns of a satellite, determine its orbital parameters (assume two-body dynamics).
Each pulse has been provided as:</p>
<ul>
<li>t, timestamp (UTC)</li>
<li>az, azimuth (degrees) +/- 0.001 deg</li>
<li>el, elevation (degrees) +/- 0.001 deg</li>
<li>r, range (km) +/- 0.1 km</li>
</ul>
<p>The radar is located at Kwajalein, 8.7256 deg latitude, 167.715 deg longitude, 35m altitude.</p>
<p>Estimate the satellite's orbit by providing the following parameters:</p>
<ul>
<li>a, semi-major axis (km)</li>
<li>e, eccentricity (dimensionless)</li>
<li>i, inclination (degrees)</li>
<li>Ω, RAAN (degrees)</li>
<li>ω, argument of perigee (degrees)</li>
<li>υ, true anomaly (degrees)</li>
</ul>
<p>at the time of the final radar pulse, 2021-06-27-00:09:52.000-UTC</p>
</p>
<h1>Solution Statistics</h1>
<table>
<tbody>
<tr>
<th>observations</th>
<td>145</td>
</tr>
<tr>
<th>solves</th>
<td>5</td>
</tr>
<tr>
<th>points</th>
<td>304</td>
</tr>
<tr>
<th>average solve seconds</th>
<td>
7694
seconds, or
about 2 hours
</td>
</tr>
<tr>
<th>stddev solve time</th>
<td>
3978
seconds, or
about 1 hour
</td>
</tr>
</tbody>
</table>
<h2>Solutions Over Time</h2>
<table>
<thead>
<tr>
<th>by time</th>
<th>solve count</th>
<th>solve percent</th>
</tr>
</thead>
<tbody></tbody>
<tr>
<td>2021-06-27 16:00:00 UTC</td>
<td>1</td>
<td>20%</td>
</tr>
<tr>
<td>2021-06-27 17:00:00 UTC</td>
<td>3</td>
<td>60%</td>
</tr>
<tr>
<td>2021-06-27 18:00:00 UTC</td>
<td>4</td>
<td>80%</td>
</tr>
<tr>
<td>2021-06-27 19:00:00 UTC</td>
<td>5</td>
<td>100%</td>
</tr>
<tr>
<td>2021-06-27 20:00:00 UTC</td>
<td>5</td>
<td>100%</td>
</tr>
</table>
<h2>solving teams:</h2>
<p>solved by 5 teams</p>
<table>
<thead>
<tr>
<th>team</th>
<th>solved at</th>
<th>it took</th>
</tr>
</thead>
<tbody>
<tr>
<th>
<a href='../teams/507.html'>FluxRepeatRocket</a>
</th>
<td>
2021-06-27 15:37:17 UTC
</td>
<td>
3470
seconds, or
0.96
hours
</td>
</tr>
<tr>
<th>
<a href='../teams/38.html'>DiceGang</a>
</th>
<td>
2021-06-27 16:37:33 UTC
</td>
<td>
7070
seconds, or
1.96
hours
</td>
</tr>
<tr>
<th>
<a href='../teams/272.html'>vMag</a>
</th>
<td>
2021-06-27 16:41:34 UTC
</td>
<td>
4549
seconds, or
1.26
hours
</td>
</tr>
<tr>
<th>
<a href='../teams/69.html'>PPP</a>
</th>
<td>
2021-06-27 17:26:23 UTC
</td>
<td>
10418
seconds, or
2.89
hours
</td>
</tr>
<tr>
<th>
<a href='../teams/61.html'>Poland Can Into Space</a>
</th>
<td>
2021-06-27 18:10:37 UTC
</td>
<td>
12964
seconds, or
3.6
hours
</td>
</tr>
</tbody>
</table>
</div>
</body>
</html>