SatTrackCam Leiden (b)log

THE SECRET SPIES IN THE SKY - Imagery, Data Analysis, and Discussions relating to Military Space

SatTrackCam Leiden (Cospar 4353) is a satellite tracking station located at Leiden, the Netherlands. The tracking focus is on classified objects - i.e. "spy satellites". With a camera, accurate positional measurements on satellites of interest are obtained in order to determine their orbits. Orbital behaviour is analysed. This blog analyses Missile tests too.

Friday, 8 December 2023

A Missile Defense Test in the NE Pacific on December 11-16 (FTG-12?)

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click map to enlarge   Two Navigational Warnings have appeared , NAVAREA XII 841 and NAVAREA XII 845, that together point to a Missile Defen...
Wednesday, 6 December 2023

Navigational Warnings for USSF-52 (X-37B OTV 7) have appeared [UPDATED]

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  click map to enlarge   revised post, last updated 12 Dec 2023 18:30 UTC Navigational Warnings (NAVAREA IV 1414/23) have appeared which I ...
Saturday, 25 November 2023

North Korea's Malligyong-1 satellite and imaging Guam [UPDATED]

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image: KCNA   Colin Zwirko of North Korea News brought the image above to my attention. It accompanies a KCNA news bulletin about a visit ...
Wednesday, 22 November 2023

North Korea successfully launches the Malligyong-1 reconnaissance satellite

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image: KCNA   On 21 November 2023 at 13:42:28 UTC , according to the State News Agency KCNA , North Korea succesfully launched its new Mall...
Tuesday, 21 November 2023

North Korea to try a third time to launch its Chollima-1 rocket and Malligyong-1 satellite coming days [UPDATED]

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click map to enlarge UPDATE 21 Nov 2023:   North Korea launched the satellite on 21 Nov 13:42 GMT (1h 18m before opening of the window from...
Saturday, 18 November 2023

Where did Starship fragments end up after its in-flight destruction? [UPDATED]

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click map to enlarge   click map to enlarge   The second SpaceX Starship Integrated Test Flight initially launched successfully on Novembe...
Thursday, 16 November 2023

New Starship launch attempt on November 17 approved by FAA [updated]

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click map to enlarge The FAA has issued SpaceX with a licence this week to try a new Starship launch attempt .  That attempt is now schedul...
Thursday, 9 November 2023

Boldly going where no spaceplane has gone before? New X-37B mission OTV 7 to launch in December

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X-37B OTV 6 after landing in November 2022 (image: US Air Force) The US Air Force Rapid Capabilities Office has announced that the 7th mis...

Imaging Navigation Satellites

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All of us have used Navigation Satellites , whether you realise it or not. Our modern western world can no longer function well without them...
Sunday, 5 November 2023

Delfi-C3 reentry forecast updates (periodically updated post)

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  [ Post last updated:  14 Nov 2023  12:45 UTC ] In my October 25 blogpost I presented imagery of the iconic 3U cubesat Delfi-C 3 (2008...
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About the Author

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SatTrackCam Leiden
Dutch, 55, Lecturer in optical Space Situational Awareness at Delft University of Technology, Faculty of Aerospace Engineering, the Netherlands. Former stone age archaeologist (PhD). Also a meteoriticist and asteroid discoverer.
Asteroid (183294) Langbroek was named after me. In 2012, I received the Dr. J. van der Bilt Prize of the Royal Dutch Astronomy Association (KNVWS) for my work on meteors, asteroids and satellites.Opinions expressed on this blog are entirely my own, not those of my employer.
You can find me on Twitter via @Marco_Langbroek and at BlueSky as @marcolangbroek.bsky.social

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