Wednesday, 13 May 2020

[UPDATED] OTV 6 (USSF 7), the next X-37B launch, appears to go into a 44-degree inclined orbit

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OTV 6.  Image: US Air Force. Click to enlarge If weather cooperates, the next X-37B launch , mission OTV 6 ,also known as launch USSF ...
Saturday, 9 May 2020

The Kosmos 482 Descent Craft: imaging an old Soviet Venera probe stuck in Earth orbit

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click to enlarge   On May 7 I imaged a pass of the Kosmos 482 Descent Craft (1972-023E), using the WATEC 902H camera and a SamYang...
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Wednesday, 6 May 2020

Imaging the new Iranian satellite NOUR 1 (2020-024A) [UPDATED triple]

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click to enlarge On 22 April 2020 around 4:00 UT, Iran's Islamic Revolutionary Guard surprised the world by launching a military s...
Monday, 4 May 2020

Guest Post: Modelling of Starlink trail brightness and comparison to observations

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(The following post is a Guest Post written by Richard Cole ) Observers have been reporting ‘missing passes’ of Starlink trains since...
Tuesday, 28 April 2020

The reentry of the Soyuz r/b 2020-026B over Spain and Portugal

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This morning, Jon Mikkelson (@Itzalpean) drew my attention to this Twitter message: Meteoro sobre A Coruña pic.twitter.com/OHa6dNfYmA —...
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Friday, 24 April 2020

Starlink Galore! [UPDATED]

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click to enlarge Last week was dominated by impressive - if worrying - displays of SpaceX Starlink satellites. Over several nights, ob...
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Sunday, 19 April 2020

Starlink "train" photographed from the International Space Station

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click image to enlarge The image above (image ISS062-E-148365 , original at high resolution here ) was shot from the International Spac...
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Friday, 27 March 2020

One year after India's ASAT test

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click diagram to enlarge Today it is one year ago that India performed an ASAT test codenamed ' Mission Shakti '. The test co...
Wednesday, 25 March 2020

SpaceX's Starlink Darksat is, indeed, darker

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clic image to enlarge The image above is a composit of stacked frames from four video sequences shot in the evening of March 22. Apart f...
Saturday, 7 March 2020

Dragon CRS-20, 23 minutes after launch, with thruster firings

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click image to enlarge SpaceX launched the Dragon CRS-20 cargoship to the ISS this morning at 4:50:31 UT. Some 23 minutes after launch...
Friday, 21 February 2020

Launching cubesats from the X-37B OTV 5: lifetime modelling with GMAT

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image: USAF Last week, CSpOC issued catalogue entries for three cubesats released as part of the X-37B mission OTV 5 . It concerns U...
Tuesday, 11 February 2020

Iran's failed Zafar launch: where did it go?

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Zafar-1 launch on 9 Feb 2020. image: IRNA On 9 February 2020 at 15:48:15 UT , Iran tried to launch a new satellite, Zafar-1, on a  Si...
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