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.

Thursday, 26 October 2006

Update on Progress-M58

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The Progress-M58 cargo spacecraft which I imaged with my tracking camera Tuesday evening appears to be in trouble. Sensors suggest somet...
Tuesday, 24 October 2006

Progress-M58 observed

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The Progress-M58 cargo ship ( 06-045A , #29503; NASA for odd reasons foolishly and confusingly calls it "Progress 23") was launch...
Tuesday, 17 October 2006

Clear skies

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The sky over SatTrackCam Leiden was very clear yesterday evening. Alas, there were little good satellite passes. The only target captured w...
Sunday, 15 October 2006

Hazy, Lacrosse 4 and Murphy

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It cleared enough during the afternoon to make some tracking possible this evening. Yet conditions were far from good: much haze in the sky....
Saturday, 14 October 2006

Warning about the orbit constellation plots

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Hmmm, having played a bit more with it, it is clear that WinOrsa does not quite plot artificial earth satellites at the correct geographic ...
Thursday, 12 October 2006

Spysat orbital constellation plot: NOSS

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Orbital constellation of the Naval Ocean Surveillance System (NOSS) satellites, duo's and trio's of satellites for tracking ocean sh...
Wednesday, 11 October 2006

Coincidence, or clever Korean timing?

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Coincidence, or clever timing by the North Koreans? When North Korea conducted its alledged atomic bomb test last Monday at 01:36 UTC, it al...
Tuesday, 10 October 2006

Some spysat orbital constellation plots (KH-12 Keyhole, Lacrosse and IGS)

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Plots of the orbit constellations of the American KH-12 Keyhole optical imaging satellites and Lacrosse (Onyx) synthetic aperture radar s...

Picture fom last weekend

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One of the pictures from last weekend, showing the trail of Lacrosse 5rk (05-016B, #28647), the still orbiting rocket stage of the Lacrosse...
Sunday, 8 October 2006

Unexpected clear sky: Lacrosse 3 & Lacrosse 5rk

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It rather unexpectedly cleared in the evening. Good transparent sky. A first pass (18:34 UTC) of Lacrosse 3 (97-064A, #25017) was captured ...

Quite a lot....

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Below are two plots I constructed showing the orbits of all 170 amateur tracked classified objects (operational and defunct satellites and ...
Wednesday, 4 October 2006

Bad luck

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I was having bad luck this evening, quite some bad luck... First, cloud cover prevented me from imaging the early passes of Lacrosse 2 ...
Saturday, 30 September 2006

Lacrosse 3 & Lacrosse 5rk cruising up together

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This evening I caught Lacrosse 3 (97-064A, #25017) and Lacrosse 5rk (05-016B, #28647), the rocket stage of the Lacrosse 5 launch, cruising...
Monday, 25 September 2006

Illustrative diagrams

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These two diagrams I prepared this weekend from recent observational data by stations Cospar 710, 2420 and me (4353) on KH-12 USA 186 (05-...
Sunday, 24 September 2006

Lacrosse 2

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A second front passed yesterday, bringing a few raindrops in the morning. Around dusk it cleared for a while, but the sky remained very ha...
Friday, 22 September 2006

USA 186 Flare Galore

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Yesterday evening at the 20:44 UTC pass I was treated to two nice flares by KH-12 Keyhole USA 186 (2005-042A, #28888). Both flares happened...
1 comment:
Monday, 11 September 2006

Flare update and Cospar 4353 on Google Earth

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Pierre observed in the same flarepath of USA 186 (05-042A) yesterday evening as the one that caused the flare I observed. From western Franc...

USA 186 flare, and is it manoeuvring?

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KH-12 type Keyhole optical imaging reconnaisance sat USA 186 (05-042A, #28888) brightly flared to mag. -2 in the northwest at 21:13:06 ± 3s...
Sunday, 27 August 2006

Short observing session

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After many days with heavy rainshowers, it cleared yesterday evening. I did a short observation run: cut short alas by the return of clouds ...
Thursday, 24 August 2006

20% off on all Weapons of Mass Destruction!!!!

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Okay, after Hezbollah visited my website yesterday , they seemed to have given a call to their benefactors to check things out. Because tod...
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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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