This computation involved: DETAILS NEEDED - COMPUTATION CREATED FOR SATELLITE COMPOSITE. deployed on Tactical Operational Satellite (TOPSAT). TOPSAT (Tactical Operational Satellite) is a British Earth observation satellite, launched in October 2005. TOPSAT carries out optical imaging with a ground resolution of 2.5m. TOPSAT was built in the United Kingdom by Surrey Satellite Technology Ltd, QinetiQ and The Rutherford Appleton Laboratory under the British National Space Centre Mosaic programme.

<div property="cedacat:introduction">
<div class="introduction">Introduction</div>
<p>TOPSAT is a British Earth observation satellite, launched in October 2005. TOPSAT carries out optical imaging with a ground resolution of 2.5m and was built in the United Kingdom by <a href="http://www.sstl.co.uk/">Surrey Satellite Technology Ltd</a>, <a href="https://www.qinetiq.com/Pages/default.aspx">QinetiQ</a> and The <a href="http://www.stfc.ac.uk/76.aspx">Rutherford Appleton Laboratory</a> under the British National Space Centre Mosaic programme.</p>

<h3>Orbital Parameters</h3>
<p>
<table border="0">
<tbody>

<tr>
<th>Launch date</th>
<td>2005-10-27</td>
</tr>

<tr>
<th>Orbit type</th>
<td>Circular, sun-synchronous</td>
</tr>

<tr>
<th>Orbital period</th>
<td>98.7 minutes</td>
</tr>

<tr>
<th>Repeat period</th>
<td>4 days</td>
</tr>

<tr>
<th>Altitude</th>
<td>686km</td>
</tr>

<tr>
<th>Inclination</th>
<td>98.18 degrees</td>
</tr>

<tr>
<th>Swath Width</th>
<td>15 km for panchromatic, 10 km for multispectral</td>
</tr>

</tbody>
</table>

</p>
</div>