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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Friday, 31 January 2020

California 30 January 12:30 UT: the "space debris" reentry that wasn't

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On 30 January 2020 near 12:30 UT (10:30 pm PST), a bright, slow, spectacularly fragmenting fireball swooped over southern California. I...
Monday, 20 January 2020

Testing a new lens for GEO and HEO (SamYang 2.0/135 mm)

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The past week brought some clear skies. It also brougt me a new lens, a SamYang 2.0/135 mm ED UMC . This lens had been on my wish-l...
Sunday, 19 January 2020

Imaging Starlink 2

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click to enlarge A new set of 60 Starlink satellites, Starlink 2 (the third launch), was launched by SpaceX early on January 7th. Ov...
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Saturday, 28 December 2019

Nine months after the Indian ASAT test: what is left?

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click to enlarge Yesterday it was 9 months ago that India conducted its first succesful Anti-Satellite (ASAT) test, destroying it'...
Saturday, 21 December 2019

The stars did not align well for Starliner, it seems

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click map to enlarge Yesterday's Boeing CST-100 Starliner Orbital Flight Test was a true nailbiter. This blogpost briefly reittera...
1 comment:
Tuesday, 3 December 2019

An interesting CRS-19 Falcon upper stage deorbit area (UPDATED)

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click map to enlarge The Maritime Broadcast Warnings with the hazard areas for the upcoming December 4 SpaceX DRAGON CRS-19 supply missi...
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Tuesday, 22 October 2019

A reanalysis of the Trident SLBM test of 10 September 2013 and other tests

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9 May 2019 Trident-II D5 test launch from USS Rhode Island in front of Florida Photo: John Kowalski/US Navy NOTE: This post r...
4 comments: