Caught on video: North Korea’s satellite
North Korea’s Kwangmyongsong-3 satellite, launched on December 12 but apparently silent ever since, has been captured on video by a South African satellite watcher. [UPDATED: See below]
Greg Roberts posted several video clips on YouTube that show reflections of light from the sides the satellite as it orbits the Earth.
The clips are from December 20th and clearly show the flashes of light. The camera was set on a mount to track the satellite’s path, so the stars in the sky move past in the background. As noted in the videos, the camera has some dead pixels that appear continuously white. Ignore those and watch the center of the picture to see the flashes.
The video appears to show some strange movement by the launch but, as Roberts explains:
The satellite was moving faster than my tracking mount could keep up with the satellite as it went through culmination ,and eventually it was able to almost catch up again after passing culmination.
The mount then stopped tracking and the satellite was visible for a few more seconds before it went into earths shadow.
As for the actual satellite itself, there are still no signs of radio life from the craft. (See my previous post noting some of the difficulties in detecting radio signals.)
While there are challenges to hearing Kwangmyongsong-3, the satellite has now made numerous passes over multiple satellite tracking stations — both professional and amateur run — and nothing has been reported. With each pass and each day that goes by, it begins to look increasingly likely that the satellite is either not functioning.
UPDATE: I just came across some analysis of these videos by Marco Langbroek in The Netherlands.
On his SatTrackCam Lieden blog, he includes some image analysis of the video that produces a slightly more accurate flash rate of 8.45 seconds. Take a look.
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|Print article||This entry was posted by Martyn Williams on December 25, 2012 at 06:46, and is filed under Space. Follow any responses to this post through RSS 2.0. You can leave a response or trackback from your own site.|
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