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Ohsin<p>(Contd.)</p><p>Failure Analysis Committee formed for <a href="https://mastodon.social/tags/NVS02" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NVS02</span></a>, A S Kiran Kumar (former ISRO Chairman) will head it.</p><p><a href="https://www.rediff.com/news/special/former-isro-chairman-to-probe-failure/20250208.htm" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">rediff.com/news/special/former</span><span class="invisible">-isro-chairman-to-probe-failure/20250208.htm</span></a></p>
RTN<p><span class="h-card"><a href="https://mastodon.social/@Ohsin" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>Ohsin</span></a></span> Do not see "attitude control thrusters" mentioned. Mentioned is "The satellite was stabilised in GTO using its gyro wheels".</p><p>May be they try to raise it´s orbit a bit by a "simple" propellant blow down without burning the prop.</p><p><a href="https://chaos.social/tags/Indien" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Indien</span></a> <a href="https://chaos.social/tags/ISRO" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ISRO</span></a> <a href="https://chaos.social/tags/I2K" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>I2K</span></a> <a href="https://chaos.social/tags/Navigationssatellit" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Navigationssatellit</span></a> <a href="https://chaos.social/tags/NVS02" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NVS02</span></a> <a href="https://chaos.social/tags/Raumfahrt" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Raumfahrt</span></a><br><a href="https://chaos.social/tags/Satelliten" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Satelliten</span></a> <a href="https://chaos.social/tags/Satellitennavigation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Satellitennavigation</span></a> <a href="https://chaos.social/tags/SpaceFlight" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SpaceFlight</span></a></p>
Ohsin<p>Pyro Valve seems to be the culprit but they still have attitude control thrusters functional.</p><p><a href="https://www.rediff.com/news/report/pyro-valve-failure-big-setback-for-isro/20250203.htm" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">rediff.com/news/report/pyro-va</span><span class="invisible">lve-failure-big-setback-for-isro/20250203.htm</span></a></p><p>Not sure what they have in mind but perhaps they want to raise perigee and seek satellite servicing services?</p><p><a href="https://mastodon.social/tags/NVS02" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NVS02</span></a> <a href="https://mastodon.social/tags/ISRO" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ISRO</span></a></p>
Ohsin<p>NVS-02 in trouble..</p><p><a href="https://www.isro.gov.in/GSLV-F15_NVS-02_Mission.html" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">isro.gov.in/GSLV-F15_NVS-02_Mi</span><span class="invisible">ssion.html</span></a></p><p>"Subsequent to the launch, the solar panels on board the satellite were successfully deployed and power generation is nominal. Communication with the ground station has been established. But the orbit raising operations towards positioning the satellite to the designated orbital slot could not be carried out as the valves for admitting the oxidizer to fire the thrusters for orbit raising did not open."</p><p><a href="https://mastodon.social/tags/GSLVF15" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GSLVF15</span></a> <a href="https://mastodon.social/tags/NVS02" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NVS02</span></a> <a href="https://mastodon.social/tags/ISRO" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ISRO</span></a></p>
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