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Dr Marco Langbroek @Marco_Langbroek Leiden, the Netherlands

Dutch archaeologist & Space Situational Awareness consultant (satellites). Spy sat tracker, asteroid discoverer. Asteroid (183294). Opinions my own.

645 Following   15,570 Followers   21,010 Tweets

Joined Twitter 9/7/11


Who would have thought: my SatTrackCam Blog turns 15 years old today! https://t.co/je15tfhDX1
Retweeted by Dr Marco LangbroekWho would have thought: my SatTrackCam Blog turns 15 years old today! https://t.co/je15tfhDX1New blogpost: "NROL-129 payloads located on-orbit" https://t.co/W8wyS5OnF6
Retweeted by Dr Marco LangbroekLRPT image from the 8:40 GMT pass of the 'Meteor M2' weather satellite: https://t.co/59XGTdiDml
8/6
2020
New blogpost: "NROL-129 payloads located on-orbit" https://t.co/W8wyS5OnF6 @Meyltje In zijn hemd gezet.Very strong #SSTV signal while #ISS was overhead around 15:14 UT. (unfortunately, resulting in a bit dull image....) https://t.co/IwQOPCCWHOEcht, is hij als baby op zijn hoofd gevallen of zo?!? Wat een mafklapper (en wat een totaal ongepaste vergelijking). https://t.co/q9AhO1IcmcTwitter heeft eindelijk het account van Viruswaanzin eruit gemieterd vanwege de verspreiding van desinformatie. Nu… https://t.co/TOO6lhQjpd
Retweeted by Dr Marco LangbroekLRPT image from the 9:00 GMT pass of the 'Meteor M2' weather satellite https://t.co/t2PS7BKEfi @WOOHPSPY @planet4589 https://t.co/l57cgRxdih @planet4589 What's next: pigs?! @HesterLoeff Hee, geen feiten in de weg van een goede (nu ja....) grap laten staan hè?! @HesterLoeff Verhoogt de kans op het vinden van een baculum? ;-) @bjornregterink Slow Scan TV vanuit ( in dit geval) het Russische ISS segment, met Moscow Aviation Institute histor… https://t.co/XwGD3YdTvG
8/5
2020
In evening twilight, I filmed 2019-079E, the purported '#ASAT Kill Vehicle' ejected by #Kosmos 2543 in July. It sho… https://t.co/nGJliKo5sNLast received #SSTV image received from the #ISS for today. Captured near 17:38 UT with the receiver in in auto-mod… https://t.co/wqQ1UVKqMt @mrsdenyer Leiden, 52.15 +4.49 @mrsdenyer I indeed was more lucky: https://t.co/eg5qRiHzah#SSTV image received near 16:04 UT during the latest #ISS pass. Images seem to come 6 minutes apart (with previous… https://t.co/ItkasNbXI7Incoming SSTV signal. Also, another satellite signal slightly higher in frequency. https://t.co/6E5hRkeXCX @derickr Outreach to radio amateurs.This #SSTV image was received during the next #ISS pass. (rather annoyingly, 6 minutes of silence while ISS was ove… https://t.co/C00YK9pjy4 @EA4HFO From the solar panels of one of my neighbours. On sunny days these cause annoying radio interference, somet… https://t.co/8zYsyUfKGq @richard_e_cole Yeah, that already surprised me. I think you are right. Have delted then original tweet and issued a corrected new version.(corrected reissued tweet) Launch *command* for the Minuteman ICBM test launch of today came from a Navy Aircraft: https://t.co/2u6kTm76qlI have deleted to original tweet and will retweet a new version such as not to propagate the confusion.Or rather, as @richard_e_cole says: the "launch command" was from an aircraft (and the press release badly worded -… https://t.co/PB25OcAr95The #ISS is sending Slow Scan TV (#SSTV) images at 145.8 MHz today and tomorrow. I recevied this one around 12:49… https://t.co/cQZmIvTEJUAn unarmed #Minuteman III #ICBM was test launched from Vandenberg, California towards Kwajalein at 7:21 GMT today https://t.co/aJhGcRKdYfMINOTAUR, not Centaur, arg!!!!! (thanks to @bjorn_l for noting my goof!) @bjorn_l Minotaur indeed, not Centaur, apologies. Too much "aur"....confusing.Merendeel gebruikt Facebook vooral om op de hoogte te blijven van welke complottheorieën hun familieleden geloven https://t.co/GnQBykMDyH
Retweeted by Dr Marco Langbroek @DerkMoor The Nepotists @SciGuySpace @tariqjmalik See https://t.co/klDdjl3iUh @nktpnd @carnegienpp @CarnegieEndow Congrats!
8/4
2020
@httprover2 Yes, the trails on the images (which are 4-second exposures)They are naked eye objects (they reach about mag +3). The C-object is a bit fainter and irregular, we think this mi… https://t.co/6XDjpoSf57Last week, amateur observers located 5 (and possibly 6) objects related to the classified #NROL-129 launch from Wal… https://t.co/peRIDeuWdj#ISS #SSTV 145.800 MHz change of time, from ARISS SSTV Blog: "Looks like they made an adjustment to the schedule f… https://t.co/0lI4qW83t2
Retweeted by Dr Marco Langbroek @brianweeden That is as deluded as "trickle down economics". Service quality of Dutch Postal went down hill after i… https://t.co/evRnsM2uEj
8/3
2020
@brianweeden He's sabotaging voting by mail, if you ask me.Given how 2020 is turning out, escaping nuclear cannibal ants sounds entirely plausible to me.... https://t.co/4oY2CBjQV0 @ElwinBos @govertschilling Dat ziet er uit als een vliegtuig met een maanverlichte korte contrail.First astronaut (Bob Behnken) out of the capsule https://t.co/xRgG7MVNS6Crew Dragon has splashed down! https://t.co/YxpUSjter9Deorbit burn is complete! Soon, Bob and Doug will dive through Earth's upper atmosphere and things are gonna get ho… https://t.co/p1BODNzSbg
Retweeted by Dr Marco Langbroek @ottermiemuis Lijkt er op dat het echt einde verhaal is voor dit weerstation. Dus maar eens naar vervanging kijken. @JonaLendering Bekend van al die kippen-votiefoffers toch?LRPT image from the 8:20 GMT pass of the 'Meteor M2' weather satellite: https://t.co/NhgBC7CURf @Joshua_Pollack @NuclearAnthro He should try to survive a winternight without clothes.
8/2
2020
Splashdown in the Gulf of Mexico will be at 18:41 UT, about 19 hours from now.Crew Dragon has departed the ISS. https://t.co/zyG99nlLd8 @ronintres Helaas zijn ze niet te zien bij ons: tussen het moment van afkoppelen en de splash-down komt (bij nacht)… https://t.co/OofoYmKYgWBREAKING: @NASA and @SpaceX are targeting Pensacola as the primary return location for Crew Dragon w/ @Astro_Doug a… https://t.co/mSLj5WZHUJ
Retweeted by Dr Marco Langbroek @Rinske1990 Het hangt van de baangeometrie af (wanneer het baanvlak van het ISS over het geoogde splas-down gebied komt).Zonder dubbel fRake typering door Gerri Eickhoff https://t.co/BkFPpmVr3W @CarolaBnk Er is geen internationale overeenstemming over waar het luchtruim eindigt. Vaak wordt de Karman-lijn (10… https://t.co/Od174nrTL9Rond 1:34 vannacht koppelt, een beetje afhankelijk van het weer, de Crew Dragon los van het ISS. Morgenavond heeft… https://t.co/3yvumoqEgQ @edwinmathlener @govertschilling Vroeger stuurde ik 'ongelovigen' door naar Naturalis voor een second opinion :-D.… https://t.co/CaFIybjUOL @edwinmathlener @govertschilling Zelfde ook nog wel eens met mensen die denken dat ze een meteoriet gevonden hebben… https://t.co/lRyrqp1WxeLRPT image from the 8:40 GMT pass of the 'Meteor M2' weather satellite: https://t.co/W7Ry3fRjIPDit is toch wel de buitencategorie stompzinnigheid...: https://t.co/Icl5Z935rnHerinner mij nog dat mijn vader zei: "zou je niet beter een vak gaan leren?". https://t.co/ZTjniZLZBN @govertschilling Dat soort dingen gaan bij mij direct het ronde archief in.
8/1
2020
@govertschilling @JonaLendering Tranen van ontroering omfloersen mijn ziel.Me. https://t.co/rO9o0j8S0B @drspacejunk Vegemite sandwhich @ottermiemuis De batterijen waren bijna leeg, inderdaad vandaag vervangen toen ik zag dat er gisteren en vandaag pe… https://t.co/Feh9N1Dv7P @planet4589 @wslafoy @mhanham @ArmsControlWonk @ISNJH The red area in my map incorporates (part of) Kwajalein, but extends to the east of it @DutchSpace That is one of the possibilities being discussed now by a.o. Jonathan and Scott.A Minuteman III test to be performed in August was indeed announced on April 30. See this Air Force news release: https://t.co/HRaIyf2F3K @wslafoy Yes, and the dates do not match. Red area is Aug 4 & 5, and time shifts with date (07:20 to 14:02 on Aug4;… https://t.co/73xqM0Hur7*here it is*, not 'here is it' - apologies, I am tired and start to write Dunglish.... (in Dutch you put the 'is' in front of 'it'). @planet4589 @mhanham @wslafoy @ArmsControlWonk @ISNJH It's a ploy to confuse us... ;-)Here is it mapped, the red area inclusing Kwajalein is the second Area Warning I mentioned. Still on the edge about… https://t.co/Q8PcjYDiFi @planet4589 @mhanham @wslafoy @ArmsControlWonk @ISNJH Here is it mapped, the red area inclusing Kwajalein is the se… https://t.co/NmFYZXMPWw @planet4589 @mhanham @wslafoy @ArmsControlWonk @ISNJH Hmmm, on second look, not sure it is related. Times of the wi… https://t.co/V04LC557TrHmmm, on second look, not sure it is related. Times of the window do not match.....opens about an hour after the ot… https://t.co/JhoF2B77jZHOLD ON! There is yet another area, that I overlooked as it was not in the same Area Warning set! Will update the map...give me some time. @planet4589 @mhanham @wslafoy @ArmsControlWonk @ISNJH HOLD ON! There is yet another area, that I overlooked as it w… https://t.co/fqPx0LSzxs @planet4589 @mhanham @wslafoy @ArmsControlWonk @ISNJH Likewise odd that first hazard zone is named "C", while the second is "A". @Franck_McBecker @drspacejunk Copy on one of my bookshelfs (1981 Dutch edition): https://t.co/K56YfGCia6Navigational Warnings issued today, indicate that a #Minuteman III #ICBM will be test-fired from Vandenberg AFB bet… https://t.co/bYKby8Ke17 @EdgeOfEurope @GeLeHesjesNL Dat zijn allemaal crisis-acteurs.... ;-p @drspacejunk Funny to see Cosmos among them. Remember watching the original series as a kid. @JonaLendering Vrot!LRPT image from the 9:00 GMT pass of the 'Meteor M2' weather satellite: https://t.co/DfX4Ho4GgzTrue https://t.co/99ujA761pPImages from Australia of the Centaur rocket fuel vent after separation of Perseverance yesterday: https://t.co/YvWbspFcXT
7/31
2020
Fun fact: the Dutch royal family had several DAF YP-408 Armoured Personnel Carriers attached to them in case they h… https://t.co/7HL9gCM2zJ
Retweeted by Dr Marco LangbroekStill a bit unclear what the status is onboard Mars 2020. Initial difficulty getting 2-way telemetry followed by p… https://t.co/k2rIPgec9S
Retweeted by Dr Marco LangbroekNotice how all of a sudden we're talking about something other than the GDP report?
Retweeted by Dr Marco LangbroekIt's worth noting this was sent 16 minutes after historically terrible GDP numbers came out and after the release o… https://t.co/PIYuXgeRNm
Retweeted by Dr Marco Langbroek @lorengrush https://t.co/LtdDWON3cF @NickAstronomer HORIZONS has it. Spacecraft ID is -168 https://t.co/4LBRbt1Hx5 @RiffKosmos @heart4astranger Here is the approximate trajectory of the launch, from ULA the Press Kit: https://t.co/g84AlXoU8FActually: over most of Asia, I think (haven't properly calculated it: this is an estimate)*SE Australia ---> SE Asia
7/30
2020

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