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#KPLO

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Ohsin<p>On 19 September 2024 Orbital Maneuver OM-87 plan for raising perilune of Chandrayaan 2 Orbiter (CH2O) was modified to avoid the potential close conjunction risks with Korea Pathfinder Lunar Orbiter (KPLO) around 1st October, 2024. The tentative plan for the next manoeuvre OM-88 scheduled on 1st October, 2024 was also adjusted to avoid post manoeuvre conjunctions with other lunar orbiters (KPLO, LRO).</p><p>Source: <a href="https://www.isro.gov.in/media_isro/pdf/Monthly_summary/Monthly_Summary_September2024.pdf" target="_blank" rel="nofollow noopener" translate="no"><span class="invisible">https://www.</span><span class="ellipsis">isro.gov.in/media_isro/pdf/Mon</span><span class="invisible">thly_summary/Monthly_Summary_September2024.pdf</span></a></p><p><a href="https://mastodon.social/tags/ISRO" class="mention hashtag" rel="tag">#<span>ISRO</span></a> <a href="https://mastodon.social/tags/Chandrayaan2" class="mention hashtag" rel="tag">#<span>Chandrayaan2</span></a> <a href="https://mastodon.social/tags/KPLO" class="mention hashtag" rel="tag">#<span>KPLO</span></a> <a href="https://mastodon.social/tags/SpaceDebris" class="mention hashtag" rel="tag">#<span>SpaceDebris</span></a></p>
Ohsin<p>In August 2024, planned Orbital Maneuver OM-86 for apolune reduction and circularization of Chandrayaan-2 Orbiter (CH2O) was modified to avoid the potential close conjunction risks with Korea Pathfinder Lunar Orbiter (KPLO) around 15-16 August 2024. </p><p>Source: <a href="https://www.isro.gov.in/media_isro/pdf/Monthly_summary/Monthly_Summary_August2024_Eng.pdf" target="_blank" rel="nofollow noopener" translate="no"><span class="invisible">https://www.</span><span class="ellipsis">isro.gov.in/media_isro/pdf/Mon</span><span class="invisible">thly_summary/Monthly_Summary_August2024_Eng.pdf</span></a></p><p><a href="https://mastodon.social/tags/ISRO" class="mention hashtag" rel="tag">#<span>ISRO</span></a> <a href="https://mastodon.social/tags/Chandrayaan2" class="mention hashtag" rel="tag">#<span>Chandrayaan2</span></a> <a href="https://mastodon.social/tags/KPLO" class="mention hashtag" rel="tag">#<span>KPLO</span></a> <a href="https://mastodon.social/tags/SpaceDebris" class="mention hashtag" rel="tag">#<span>SpaceDebris</span></a></p>
Ohsin<p>In July 2024 two close approaches between Chandrayaan-2 Orbiter and other lunar orbiters resolved through inter-agency coordination.</p><p>• Close approaches with and NASA&#39;s Lunar reconnaissance Orbiter (LRO) on 12 July<br />• Potential close conjunction risk with Korea Pathfinder Lunar Orbiter (KPLO) on 25 July</p><p>Source: <a href="https://www.isro.gov.in/media_isro/pdf/Monthly_summary/Monthly_Summary_July2024Eng.pdf" target="_blank" rel="nofollow noopener" translate="no"><span class="invisible">https://www.</span><span class="ellipsis">isro.gov.in/media_isro/pdf/Mon</span><span class="invisible">thly_summary/Monthly_Summary_July2024Eng.pdf</span></a></p><p><a href="https://mastodon.social/tags/ISRO" class="mention hashtag" rel="tag">#<span>ISRO</span></a> <a href="https://mastodon.social/tags/Chandrayaan2" class="mention hashtag" rel="tag">#<span>Chandrayaan2</span></a> <a href="https://mastodon.social/tags/KPLO" class="mention hashtag" rel="tag">#<span>KPLO</span></a> <a href="https://mastodon.social/tags/LRO" class="mention hashtag" rel="tag">#<span>LRO</span></a></p>
Ohsin<p>Yet another conjunction event avoided between Chandrayaan-2 Orbiter and South Korean lunar orbiter KPLO.</p><p>&quot;The risks associated with close conjunctions of CH2O and KPLO on May 24, 2024 were mitigated by coordination with KARI team. Two orbit maintenance maneuvers (OM-83 and OM-84) were executed for CH2O.&quot;</p><p>Lunar orbit is getting crowdy and orbiters have had to frequently perform conjunction avoidance manoeuvres.</p><p>Image source: <a href="https://www.unoosa.org/documents/pdf/copuos/2024/Technical_Presentations/21AM/2_Item_15_KPLO_Lessons_Learned_Moon-Jin_Jeon_as_of_20_June.pdf" target="_blank" rel="nofollow noopener" translate="no"><span class="invisible">https://www.</span><span class="ellipsis">unoosa.org/documents/pdf/copuo</span><span class="invisible">s/2024/Technical_Presentations/21AM/2_Item_15_KPLO_Lessons_Learned_Moon-Jin_Jeon_as_of_20_June.pdf</span></a></p><p><a href="https://mastodon.social/tags/ISRO" class="mention hashtag" rel="tag">#<span>ISRO</span></a> <a href="https://mastodon.social/tags/Chandrayaan2" class="mention hashtag" rel="tag">#<span>Chandrayaan2</span></a> <a href="https://mastodon.social/tags/KPLO" class="mention hashtag" rel="tag">#<span>KPLO</span></a></p>
Ohsin<p>South Korea&#39;s KPLO has also imaged Chandrayaan-3 Vikram landing site on 27 August 2023.</p><p><a href="https://www.youtube.com/watch?v=jreJDvK5FJs" target="_blank" rel="nofollow noopener" translate="no"><span class="invisible">https://www.</span><span class="">youtube.com/watch?v=jreJDvK5FJs</span><span class="invisible"></span></a></p><p><a href="https://mastodon.social/tags/Chandrayaan3" class="mention hashtag" rel="tag">#<span>Chandrayaan3</span></a> <a href="https://mastodon.social/tags/KPLO" class="mention hashtag" rel="tag">#<span>KPLO</span></a> <a href="https://mastodon.social/tags/%EB%8B%A4%EB%88%84%EB%A6%AC" class="mention hashtag" rel="tag">#<span>다누리</span></a></p>
Dawoon Jung<p>New <a href="https://universeodon.com/tags/KPLO" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>KPLO</span></a> <a href="https://universeodon.com/tags/Danuri" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Danuri</span></a> images. The bottom right images were taken with PolCam, a polarimetric frame camera, the rest with LUTI, a push-broom camera <br>---<br>RT @kari2030<br>다누리, 달에서 임무 수행 이상 無! </p><p>📷사진 설명 <br>상단 왼쪽부터 시계방향으로 <br>1. 고해상도카메라로 촬영한 치올콥스키 크레이터 영상 <br>2.고해상도카메라로 촬영한 슈뢰딩거 계곡 영상 <br>3. 편광카메라로 촬영한 비흐만 크레이터 편광 영상<br>4.고해상도카메라로 촬영한 실라르드 엠 크레이터 영상 <br><a href="https://twitter.com/kari2030/status/1646007630207528960" rel="nofollow noopener" target="_blank"><span class="invisible">https://</span><span class="ellipsis">twitter.com/kari2030/status/16</span><span class="invisible">46007630207528960</span></a></p>
Rui Borges<p>We are used to watch the <a href="https://mastodon.social/tags/phases" class="mention hashtag" rel="tag">#<span>phases</span></a> of our <a href="https://mastodon.social/tags/Moon" class="mention hashtag" rel="tag">#<span>Moon</span></a>, now we can contemplate the ones of our own <a href="https://mastodon.social/tags/planet" class="mention hashtag" rel="tag">#<span>planet</span></a> from there by the eyes of the <a href="https://mastodon.social/tags/spacecraft" class="mention hashtag" rel="tag">#<span>spacecraft</span></a> <a href="https://mastodon.social/tags/Danuri" class="mention hashtag" rel="tag">#<span>Danuri</span></a>.</p><p><a href="https://mastodon.social/tags/Waxing" class="mention hashtag" rel="tag">#<span>Waxing</span></a> and <a href="https://mastodon.social/tags/waning" class="mention hashtag" rel="tag">#<span>waning</span></a>, our beautiful full <a href="https://mastodon.social/tags/Earth" class="mention hashtag" rel="tag">#<span>Earth</span></a>.</p><p>📷 KARI</p><p><a href="https://mastodon.social/tags/KPLO" class="mention hashtag" rel="tag">#<span>KPLO</span></a> <a href="https://mastodon.social/tags/SouthKorea" class="mention hashtag" rel="tag">#<span>SouthKorea</span></a> <a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="tag">#<span>astronomy</span></a> <a href="https://mastodon.social/tags/astrodon" class="mention hashtag" rel="tag">#<span>astrodon</span></a></p>
Dawoon Jung<p>First image at lunar South Pole taken by ShadowCam on <a href="https://universeodon.com/tags/KPLO" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>KPLO</span></a> <a href="https://universeodon.com/tags/Danuri" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Danuri</span></a>. ShadowCam is like the LROC NAC on NASA LRO but can see inside shadows <br>---<br>RT @bwdenev<br>We can now see inside the permanently shadowed regions at the Moon at better than 2 m/pixel with ShadowCam. The first image (of Shackleton crater) promises many beautiful views to come. <a href="http://shadowcam.sese.asu.edu/images/1284" rel="nofollow noopener" target="_blank"><span class="invisible">http://</span><span class="ellipsis">shadowcam.sese.asu.edu/images/</span><span class="invisible">1284</span></a> <br><a href="https://twitter.com/bwdenev/status/1612552136235298816" rel="nofollow noopener" target="_blank"><span class="invisible">https://</span><span class="ellipsis">twitter.com/bwdenev/status/161</span><span class="invisible">2552136235298816</span></a></p>
Rui Borges<p>No, it is not a <a href="https://mastodon.social/tags/photo" class="mention hashtag" rel="tag">#<span>photo</span></a> <a href="https://mastodon.social/tags/montage" class="mention hashtag" rel="tag">#<span>montage</span></a>.<br />It is truly a view of <a href="https://mastodon.social/tags/Earth" class="mention hashtag" rel="tag">#<span>Earth</span></a> and the <a href="https://mastodon.social/tags/Moon" class="mention hashtag" rel="tag">#<span>Moon</span></a> as seen from the <a href="https://mastodon.social/tags/spacecraft" class="mention hashtag" rel="tag">#<span>spacecraft</span></a> <a href="https://mastodon.social/tags/Danuri" class="mention hashtag" rel="tag">#<span>Danuri</span></a> where both have an apparent same size.</p><p>Yes. W-O-W again.</p><p><a href="https://mastodon.social/tags/lunar" class="mention hashtag" rel="tag">#<span>lunar</span></a> <a href="https://mastodon.social/tags/space" class="mention hashtag" rel="tag">#<span>space</span></a> <a href="https://mastodon.social/tags/spacecraft" class="mention hashtag" rel="tag">#<span>spacecraft</span></a> <a href="https://mastodon.social/tags/astrodon" class="mention hashtag" rel="tag">#<span>astrodon</span></a> <a href="https://mastodon.social/tags/KPLO" class="mention hashtag" rel="tag">#<span>KPLO</span></a> <a href="https://mastodon.social/tags/KARI" class="mention hashtag" rel="tag">#<span>KARI</span></a> <a href="https://mastodon.social/tags/SouthKorea" class="mention hashtag" rel="tag">#<span>SouthKorea</span></a></p>
Scott Tilley<p><a href="https://mastodon.social/tags/KPLO" class="mention hashtag" rel="tag">#<span>KPLO</span></a> EME reflection (0:00) and downlink (0:37). The EME reflection is pretty loud as I&#39;m listening with LHCP while the RHCP downlink from the spacecraft is attenuated by around 20dB due opposite polarization sense. You can see Doppler uplink compensation in action.</p>
Scott Tilley<p>Another trip to the roof and switched polarization to LHCP to improve the lunar reflection SNR.</p><p>Doing so really improved the performance on the fast Doppler uplink compensated signal from DSS56 as it communicates with <a href="https://mastodon.social/tags/KPLO" class="mention hashtag" rel="tag">#<span>KPLO</span></a>.</p>
Scott Tilley<p>Moon bounce (EME) of <a href="https://mastodon.social/tags/KPLO" class="mention hashtag" rel="tag">#<span>KPLO</span></a>&#39;s uplink signal. </p><p>This isn&#39;t a DSN station so most likely Korea Deep Space Antenna (KDSA) as it doesn&#39;t appear to use Doppler uplink compensation like the DSN does.</p>
Scott Tilley<p>Tonight&#39;s testing with <a href="https://mastodon.social/tags/KPLO" class="mention hashtag" rel="tag">#<span>KPLO</span></a> had me visit the roof and remove my 2195-2305MHz bandpass filter.</p><p>Here&#39;s DSN Madrid&#39;s DSS56 lunar reflection as it uplinks to KPLO.<br /> <br />The fluctuations in the signal is called Libration Fading and is caused by the Moon&#39;s rough surface.</p>
Rui Borges<p>Wow! And wow!<br />Images of <a href="https://mastodon.social/tags/Earth" class="mention hashtag" rel="tag">#<span>Earth</span></a> from the <a href="https://mastodon.social/tags/Moon" class="mention hashtag" rel="tag">#<span>Moon</span></a> captured by <a href="https://mastodon.social/tags/Danuri" class="mention hashtag" rel="tag">#<span>Danuri</span></a>, the first mission of <a href="https://mastodon.social/tags/SouthKorea" class="mention hashtag" rel="tag">#<span>SouthKorea</span></a>.</p><p>W-O-W!</p><p><a href="https://mastodon.social/tags/lunar" class="mention hashtag" rel="tag">#<span>lunar</span></a> <a href="https://mastodon.social/tags/space" class="mention hashtag" rel="tag">#<span>space</span></a> <a href="https://mastodon.social/tags/spacecraft" class="mention hashtag" rel="tag">#<span>spacecraft</span></a> <a href="https://mastodon.social/tags/astrodon" class="mention hashtag" rel="tag">#<span>astrodon</span></a> <a href="https://mastodon.social/tags/KPLO" class="mention hashtag" rel="tag">#<span>KPLO</span></a> <a href="https://mastodon.social/tags/KARI" class="mention hashtag" rel="tag">#<span>KARI</span></a></p>
Dawoon Jung<p>I located this Dec 28 <a href="https://universeodon.com/tags/KPLO" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>KPLO</span></a> <a href="https://universeodon.com/tags/Danuri" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Danuri</span></a> photo in my simulator! It shows Schwarzschild crater in the northern part of the Moon at about 6:21:00 UTC</p>
Dawoon Jung<p><a href="https://universeodon.com/tags/KPLO" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>KPLO</span></a> <a href="https://universeodon.com/tags/Danuri" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Danuri</span></a> Earthrise photos! <br>---<br>RT @kari2030<br><a href="https://universeodon.com/tags/%EB%8B%AC" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>달</span></a> 상공에서 <a href="https://universeodon.com/tags/%EB%8B%A4%EB%88%84%EB%A6%AC" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>다누리</span></a> 가 보낸 인증샷📷✨<br>이 사진은 다누리에 탑재된 고해상도 카메라(LUTI)를 이용해 촬영하였으며, 달 크레이터들과 지구의 모습을 선명하게 확인할 수 있습니다.</p><p>📷사진 설명<br>1)12월 24일 달 상공 344km에서 촬영한 사진<br>2)12월 28일 달 상공 124km에서 촬영한 사진 <br><a href="https://twitter.com/kari2030/status/1610097598953828354" rel="nofollow noopener" target="_blank"><span class="invisible">https://</span><span class="ellipsis">twitter.com/kari2030/status/16</span><span class="invisible">10097598953828354</span></a></p>
Scott Tilley<p>Goldstone sending commands to <a href="https://mastodon.social/tags/KPLO" class="mention hashtag" rel="tag">#<span>KPLO</span></a>. </p><p>These are echoed back via the transponder...</p>
Scott Tilley<p><a href="https://mastodon.social/tags/KPLO" class="mention hashtag" rel="tag">#<span>KPLO</span></a> data on JPL Horizons has been updated. Here&#39;s the summary of the tracking data to date.</p><p>The spacecraft appears to be switching off prior to lunar occultation now. 🧵⬇️</p>
Scott Tilley<p>Nice signals from <a href="https://mastodon.social/tags/KPLO" class="mention hashtag" rel="tag">#<span>KPLO</span></a> this evening. Goldstone lock and some normal goings on afterwards.</p><p>Soon I&#39;ll reply to the poll about last night&#39;s KPLO mystery so heads up!</p>
Dwingeloo Radio Telescope bot<p>Today, the Dwingeloo <a href="https://botsin.space/tags/radiotelescoop" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>radiotelescoop</span></a> observed the Lunar orbiter <a href="https://botsin.space/tags/KPLO" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>KPLO</span></a> while it was transmitting ranging tones. IQ at data.camras.nl/satellites/raw/</p>
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