Thursday, 5 March 2026

Guest in the Euronews podcast "Tech talks"

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  I recently was a guest in the Euronews podcast series Tech Talks , in an episode called " How to track a spy satellite ".  In ...
Tuesday, 3 March 2026

The observed reentry of the Chinese CZ-2C upper stage 2018-054D over Australia on 28 February 2026

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still from reentry movie. Click to enlarge. image (c) Robert H. McNaught, used with permission On 28 February 2026 near 18:40 UTC , a Chines...
Wednesday, 4 February 2026

Another failed deorbit of a Falcon 9 upper stage

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Falcon 9 upper stage. Image: SpaceX On 2 February 2026 , SpaceX launched Starlink 17-32 , with 25 new Starlink satellites, from Vandenberg S...
Saturday, 31 January 2026

[UPDATED] You Only Die Twice (redux): the unusual and confusing double reentry of a ZQ-3 upper stage (2025-282A)

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Click map to enlarge ( The title of this blogpost is inspired by a similar titled post from several years ago )  The uncontrolled reentry ...
Monday, 8 December 2025

NROL-77, probably a new NOSS (or maybe not)

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click map to enlarge On 9 December 2025 between 19:06 and 19:28 UTC, SpaceX will launch the classified mission NROL-77 for the NRO , from ...
Friday, 14 November 2025

BRIK-II is no more

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On 12 November 2025, the Netherlands' first military satellite , the 6U cubesat BRIK-II (2021-058F), reentered into the atmosphere aft...
Monday, 20 October 2025

[MULTIPLE UPDATES] Possible Space Debris found near Newman, Australia on Oct 18, might be Jielong 3 upper stage remains

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click map to enlarge On 18 October 2025 near 14:00 local time (= 18 October ~6:00 UTC), a strange object was found  on or near a dirtroad i...
Friday, 17 October 2025

[UPDATED] Identifying a reentry over the Canary Islands on 16 October as the reentry of the Chinese satellite Xinjishu Yanzheng 7 (XJY-7)

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click to enlarge In the early local morning of 16 October 2025 around 1:56 UTC , a spectacular phenomena appeared in the sky over Tenerife ...