This satellite paper model is the North Korean Kwangmyongsong-3 Unit 2, the paper model was created by RocketmanTan. Kwangmyongsong-3 Unit 2 is the first North Korean satellite, an Earth observation spacecraft that was launched on 12 December 2012, 00:49 UTC, in order to replace the mission of the original Kwangmyongsong-3, which failed to reach orbit on 13 April 2012.
The launch came during the period when the DPRK was commemorating the first anniversary of the death of former leader Kim Jong-il and just before the first South Korean domestic launch of a satellite and the South Korean presidential election on 19 December 2012. The successful launch makes the DPRK the tenth space power capable of putting satellites in orbit using its own launch vehicles.
North Korea declared the launch successful, and the South Korean military and North American Aerospace Defense Command (NORAD) reported that initial indications suggested that an object had achieved orbit. North Korea had previously claimed the Kwangmyongsong-1 and Kwangmyongsong-2 launches successful, despite American military sources confirming that they failed to achieve orbit.
On 12 December 2012, Kwangmyongsong-3 was launched from the Sohae Satellite Launching Ground at 00:49:46 UTC (09:49 KST). The North American Aerospace Defense Command was able to track the rocket at this time. The first stage impacted the ocean 200 kilometres (120 mi) off the west coast of South Korea at 00:58, with the fairing coming down one minute later 100 kilometres (62 mi) downrange. At 01:01, the rocket flew over Okinawa, with the second stage impacting 300 kilometres (190 mi) east of the Philippines four minutes later. During the ascent the rocket performed a dog-leg manoeuvre to increase its inclination sufficiently to attain sun-synchronous orbit.
The satellite was deployed into a sun-synchronous polar orbit with an apogee of 584 kilometres (363 mi), a perigee of 499 kilometres (310 mi), 97.4 degrees of orbital inclination, and an orbital period of 95 minutes and 29 seconds. The spacecraft separated from the rocket’s third stage at 00:59:13; nine minutes and 27 seconds after liftoff.
The U.S. Space Command began to track three objects from the launch, giving Kwangmyongsong-3 the Satellite Catalog Number 39026 and the international designator 2012-072A. They later began tracking a fourth object that was related to the launch.
The following day, U.S. officials tracking the satellite reported that it appeared to be “tumbling out of control” in its orbit. However South Korean sources said that the satellite was orbiting normally.
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