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, 29 February 2008

NOTAM warns aircraft of decaying USA 193 debris (updated again 02/03)

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John Locker brought a new chapter to the attention in the ongoing USA 193 soap story , by pointing to a NOTAM released by the US FAA here o...

Debris of shot spysat USA 193 endangers and delays new spysat launch

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An interesting article has appeared on space.com. NROL-28, the launch of a new spy satellite by the NRO, has been delayed because the NRO d...
Thursday, 28 February 2008

Flaring KeyHole USA 129, and two productive evenings

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The last two evenings saw a very clear sky again. Tuesday evening was cold and windy, yesterday evening a bit more comfortable. I obtained a...
Wednesday, 27 February 2008

Fragments of destroyed spysat USA 193 still in orbit

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In a surprise move, Space-Track , the on-line orbital database of USSTRATCOM (formerly the NORAD database), has released orbital elements f...
Friday, 22 February 2008

Yesterdays longer USA 193 related TV interview now on-line (expanded 11:00 GMT)

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(expanded 22 Feb, 11:00 GMT) The last two days were pretty hectic and tiring here. After my short appearance in Wednesday evening's 10 p...
1 comment:
Thursday, 21 February 2008

They did it!

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USA 193 has been sucessfully intercepted by a SM-3 missile last night. More in my post here .
Wednesday, 20 February 2008

USA 193 and me in the Dutch TV News

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Okay, the news item for which they filmed me (see previous post) has been broadcast in the 10 pm News this evening. It can be seen on the we...

USA 193 lost in clouds, and a visit from a TV crew

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As I feared in my previous post, I lost this evenings USA 193 pass. It did seem to turn clear in the afternoon at first, and in early twilig...
1 comment:
Tuesday, 19 February 2008

Defeated by the weather?

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Just as the, perhaps last, visibility window of the by now world-famous USA 193 (06-057A) is starting here, weather has turned bad. Yesterd...
Wednesday, 13 February 2008

ISS and the Moon

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Another clear evening yesterday. The moon is now becoming more and more prominent in the sky. The International Space Station (ISS) made a ...
Tuesday, 12 February 2008

Lacrosse 5 "disappearance trick" over the Pleiades, UARS and ISS again

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The sky keeps being clear, so last evening I had another observing session. In twilight I observed ISS again, and filmed it again as it pass...
Monday, 11 February 2008

Twice the ISS, and a bag of other objects

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Yesterday I observed the International Space Station (ISS) twice. The first observation was in deep twilight, 20 minutes after sunset with ...
Sunday, 10 February 2008

ISS in daylight, and Progress-M62

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Inspired by similar observations on Friday by Bram Dorreman, I tried to observe the ISS and the Shuttle just before docking when they made a...
Friday, 8 February 2008

Space Shuttle Atlantis STS-122, Progress-M62 flaring, and the ISS

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After a sunny day, but with cirrus in the sky, the evening of February 8 was clear. This was the only evening that I had a chance to observe...
Thursday, 7 February 2008

Observing ISS and two of its Progress cargo spacecraft

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Yesterday evening was very clear, and provided the rather unique opportunity to see the International Space Station (ISS) pass in twilight, ...
Tuesday, 5 February 2008

Lacrosse 2 manoeuvred again (updated)

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Yesterday evening was very clear. While looking up some deep-sky objects and while waiting for target satellites to appear, I saw several fa...
Sunday, 3 February 2008

How USA 193 rocked this blog

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Last week has been an amazing week for this blog. While normally only some 10 geeks a day follow my reports in this rather esoteric journal ...
2 comments:

NOSS 3-4, Lacrosse 5 oddity, and not every DCF-77 clock is the same... (updated)

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This morning, unlike yesterday evening, it was reasonably clear. There was some haze in the sky, but conditions were good enough for decent ...
Friday, 1 February 2008

Peeping through holes in the cloud cover

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The past two days the atmosphere has been very dynamic here. We had a gale yesterday, and both yesterday night and the night previous to tha...
Sunday, 27 January 2008

USA 193: life and death of a spy sat (twice updated 29 Feb)

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UPDATE 29/02/08 (II): New NOTAM warns aircraft for decaying USA 193 debris between now and March 9th. See my post here . UPDATE 29/02/08 (I)...
23 comments:
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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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