Lecturer in optical Space Situational Awareness at Delft Technical University, faculty of Aerospace. Spy sats, missiles, meteorites, asteroids. Asteroid (183294). Lapsed Archaeologist (PhD). Rowing. CFS. Opinions my own. blog: http://sattrackcam.blogspot.chttps://bsky.app/profile/marcolangbroek.bsky.socialhttps://bsky.app/profile/marcolangbroek.bsky.social/post/3ml77vygkq22lWas weer een gezellige @spacecowboyspod.bsky.social vandaag: [contains quote post or other embedded content]06 May 2026 17:26 +0000at://did:plc:f6vibplbccjz2x2nhjmyvzfe/app.bsky.feed.post/3ml77vygkq22lhttps://bsky.app/profile/marcolangbroek.bsky.social/post/3ml4ifrytdc2fStockholm Syndroom? [contains quote post or other embedded content]05 May 2026 15:20 +0000at://did:plc:f6vibplbccjz2x2nhjmyvzfe/app.bsky.feed.post/3ml4ifrytdc2fhttps://bsky.app/profile/marcolangbroek.bsky.social/post/3ml3t5u5fgk2jSoyuz upper stage (2026-093B) from the launch of the Progress MS-34 supply ship to the ISS two days earlier [contains quote post or other embedded content]05 May 2026 09:00 +0000at://did:plc:f6vibplbccjz2x2nhjmyvzfe/app.bsky.feed.post/3ml3t5u5fgk2jhttps://bsky.app/profile/marcolangbroek.bsky.social/post/3mkyzi5hxxk2vHier win je echt geen sympathie mee: nos.nl/l/2613001 https://nos.nl/l/261300104 May 2026 06:15 +0000at://did:plc:f6vibplbccjz2x2nhjmyvzfe/app.bsky.feed.post/3mkyzi5hxxk2vhttps://bsky.app/profile/marcolangbroek.bsky.social/post/3mkxwagjvls2vAfgelopen donderdag was ik, met Patrick Bolder, te gast in de BNR podcast "De Strateeg": https://www.bnr.nl/podcast/de-strateeg/10600104/de-enorme-impact-van-satellieten-op-oorlogen03 May 2026 19:45 +0000at://did:plc:f6vibplbccjz2x2nhjmyvzfe/app.bsky.feed.post/3mkxwagjvls2vhttps://bsky.app/profile/marcolangbroek.bsky.social/post/3mkxwagjvls2vAfgelopen donderdag was ik, met Patrick Bolder, te gast in de BNR podcast "De Strateeg": https://www.bnr.nl/podcast/de-strateeg/10600104/de-enorme-impact-van-satellieten-op-oorlogen03 May 2026 19:45 +0000at://did:plc:f6vibplbccjz2x2nhjmyvzfe/app.bsky.feed.post/3mkxwagjvls2vhttps://bsky.app/profile/marcolangbroek.bsky.social/post/3mkutjoebyc2a1/x Het litteken van de #brand bij 't #Harde in een Copernicus Sentinel 2A satellietopname van gisteren 1 mei, 12:47 NL tijd. False Color opname, banden 8-11-2 (dat laat verschil onaangetaste en aangetaste vegetatie goed zien). Litteken zichtbaar als donkere vlek.02 May 2026 14:18 +0000at://did:plc:f6vibplbccjz2x2nhjmyvzfe/app.bsky.feed.post/3mkutjoebyc2ahttps://bsky.app/profile/marcolangbroek.bsky.social/post/3mkq4abp3ik26Vanavond één van mijn lievelingsfilms (naar de boeken van één van mijn favoriete schrijvers, Patrick O'Brian) op SBS6: "Master and Commander: the Far Side of the World"30 Apr 2026 17:11 +0000at://did:plc:f6vibplbccjz2x2nhjmyvzfe/app.bsky.feed.post/3mkq4abp3ik26https://bsky.app/profile/marcolangbroek.bsky.social/post/3mknjql5ips2h1/x The 3U #cubesat #Delfi-N3XT (2013-066N) imaged at a range of 956 km using the 40.2-cm MISO telescope of TU Delft Aerospace Engineering last night. 0.1-second exposure tracked on the object motion.29 Apr 2026 16:34 +0000at://did:plc:f6vibplbccjz2x2nhjmyvzfe/app.bsky.feed.post/3mknjql5ips2hhttps://bsky.app/profile/marcolangbroek.bsky.social/post/3mkngl676kc24De #natuurbrand op 't #Harde in een Copernicus Sentinel 2C satellietopname van 12:51 NL tijd. Combinatie van visuele kanalen en SWIR om de brand zichtbaar te maken.29 Apr 2026 15:38 +0000at://did:plc:f6vibplbccjz2x2nhjmyvzfe/app.bsky.feed.post/3mkngl676kc24https://bsky.app/profile/marcolangbroek.bsky.social/post/3mkgazojxjk2n1/x Last night I used the 40.2-cm MISO telescope of our Delft University of Technology Aerospace Engineering faculty to image the two oldest pieces of #SpaceDebris still on orbit: #Vanguard 1 and the rocket upper stage from its launch @drspacejunk.bsky.social @planet4589.bsky.social26 Apr 2026 19:10 +0000at://did:plc:f6vibplbccjz2x2nhjmyvzfe/app.bsky.feed.post/3mkgazojxjk2nhttps://bsky.app/profile/marcolangbroek.bsky.social/post/3mkgazojxjk2n1/x Last night I used the 40.2-cm MISO telescope of our Delft University of Technology Aerospace Engineering faculty to image the two oldest pieces of #SpaceDebris still on orbit: #Vanguard 1 and the rocket upper stage from its launch @drspacejunk.bsky.social @planet4589.bsky.social26 Apr 2026 19:10 +0000at://did:plc:f6vibplbccjz2x2nhjmyvzfe/app.bsky.feed.post/3mkgazojxjk2nhttps://bsky.app/profile/marcolangbroek.bsky.social/post/3mk72hjqves2nThe #X37B spaceplane #OTV 8 photographed from Leiden, the Netherlands, earlier this evening. Canon EOS R10 + samyang 1.4/35 mm at f2, 4 seconds 800 ISO. @dutchspace.bsky.social23 Apr 2026 22:24 +0000at://did:plc:f6vibplbccjz2x2nhjmyvzfe/app.bsky.feed.post/3mk72hjqves2nhttps://bsky.app/profile/marcolangbroek.bsky.social/post/3mk6la2re2c2i#X37B spaceplane OTV 8 pass yesterday evening from Leiden, the Netherlands. @dutchspace.bsky.social23 Apr 2026 17:51 +0000at://did:plc:f6vibplbccjz2x2nhjmyvzfe/app.bsky.feed.post/3mk6la2re2c2ihttps://bsky.app/profile/marcolangbroek.bsky.social/post/3mk6ivhbwsc2e1/x Gisteravond werden mijn mederoeister en ik (in een ongestuurde twee) bij de noodbrug over de Vliet bijna overvaren door een Lemsteraak. Volgens de vaarregels hebben wij voorrang maar hij voer gewoon volgas de (nauwe) brugdoorgang in terwijl wij daar van de andere kant al door kwamen.23 Apr 2026 17:09 +0000at://did:plc:f6vibplbccjz2x2nhjmyvzfe/app.bsky.feed.post/3mk6ivhbwsc2ehttps://bsky.app/profile/marcolangbroek.bsky.social/post/3mk67ayktns2yWeerballon passeert op dit moment op maar 3.5 km van mijn huis.23 Apr 2026 14:17 +0000at://did:plc:f6vibplbccjz2x2nhjmyvzfe/app.bsky.feed.post/3mk67ayktns2yhttps://bsky.app/profile/marcolangbroek.bsky.social/post/3mk33xyscfc2yPiracy and (attempted) murder on the High Seas [contains quote post or other embedded content]22 Apr 2026 08:40 +0000at://did:plc:f6vibplbccjz2x2nhjmyvzfe/app.bsky.feed.post/3mk33xyscfc2yhttps://bsky.app/profile/marcolangbroek.bsky.social/post/3mjnbikbovk2rNavigational Warnings have appeared for what looks like another @RocketLab #HASTE launch from Wallops, 22-29 April16 Apr 2026 20:41 +0000at://did:plc:f6vibplbccjz2x2nhjmyvzfe/app.bsky.feed.post/3mjnbikbovk2rhttps://bsky.app/profile/marcolangbroek.bsky.social/post/3mjm7ayzi2223Dit moeten we dus gewoon niet doen nos.nl/l/2610678 https://nos.nl/l/261067816 Apr 2026 10:29 +0000at://did:plc:f6vibplbccjz2x2nhjmyvzfe/app.bsky.feed.post/3mjm7ayzi2223https://bsky.app/profile/marcolangbroek.bsky.social/post/3mjjubdmao2261/x This news item is doing the rounds, and it is very confusing. It seems to conflate things that should not be conflated - suborbital launches, space lanches, suborbital and orbital. More concerningly, it seems to hint at ASAT. A 🧵 https://defence-blog.com/ukraine-confirms-rocket-launches-into-space-during-wartime/15 Apr 2026 12:07 +0000at://did:plc:f6vibplbccjz2x2nhjmyvzfe/app.bsky.feed.post/3mjjubdmao226https://bsky.app/profile/marcolangbroek.bsky.social/post/3mjebqs2zbk2g56 years ago today: "Houston, we have a problem" #Apollo1313 Apr 2026 06:52 +0000at://did:plc:f6vibplbccjz2x2nhjmyvzfe/app.bsky.feed.post/3mjebqs2zbk2g