Issue 139
Ides of March? TJS-3 & TJS-10 Head Toward One Another
15 Feb 2026: As noted in the last edition of the Flash , on 3-4 Feb Chinese space operators increased the SMA of TJS-10 (58204) and initiated a…
27 reports match “Jack Anthony”. Browse every relevant article across the Integrity Flash archive.
15 Feb 2026: As noted in the last edition of the Flash , on 3-4 Feb Chinese space operators increased the SMA of TJS-10 (58204) and initiated a…
In 2021 Jack Anthony wrote one of his many “learn space stuff” essays entitled, The “Weird Science” of Hypervelocity Collisions in Space. In it, Jack describes the physics…
"Moral of the story: Things don't always go as planned. Really bad days may be salvaged with some out of the box thinking and “just getting on with…
The term Launch Window is bantered about for just about every space launch. The Artemis window varies, but for the most recent launch campaign it was a 2-hr…
I've been teaching astrodynamics formally and informally since 1982. From Generals and Astronauts to great military folks to school kids who were curious. I would often speak of…
AN ASTRO HISTORY ESSAY: Up to now, my Jack's Astro Corner essays have been astrodynamics related. This article is more of an astro “history” essay capturing the year…
Editor's Note: If you missed part 1 you can find it HERE . If you're interested in a couple of relevant videos please check out: https://youtu.be/_cHm7bJolnE (29 seconds)…
In this Astro Corner I'm going to share with you 3 YouTube videos I made in the April-May 2020 timeframe. In my role at the National Space Defense…
13 Aug 2023: This is a two pager astro lesson using the International Space Station (ISS) disposal of a big trash bag back in July 2022. I prepare…
16 Jan: Newer Flash readers may not be aware that for a few months in 2022 we had Jack Anthony as a contributing author. I sent Jack a…
Seven YG-35/36 Trail2 satellites decreased their altitudes, changing the timing and geometry of multiple lead-trail formations.
20 Apr: Yaogan-35 02C re-entered the Earth's atmosphere just after midnight UTC on 20 April. The satellite last maneuvered in late November 2022. On 15 Mar 2024 the…
The next two articles examine Russian and Chinese space operations in what is called Very Low Earth Orbit (VLEO). VLEO describes the orbit of any spacecraft with a…
20 Jul: On 22 June, Russia maneuvered its suspected SIGINT satellite, Luch (Olymp)-2 (55841), west after spending ~88 days in vicinity of Astra 4A . On 1 July…
This essay will introduce the process of a “chaser” spacecraft (maybe a refueler servicing vehicle) goes through to arrive at the “target” spacecraft (the one who ordered the…
6 Nov: China has conducted 3 launches containing Yaogan-43 (YG-43) satellites. All launches were from China's Xichang launch facility. The first launch occurred on 3 Aug 2024 and…
After the loss of Space Shuttle Columbia (1 Feb 2003), a pre-docking with ISS maneuver was designed and implemented to give the ISS crew a close up look…
This essay will introduce the process of a “chaser” spacecraft (maybe a refueler servicing vehicle) goes through to arrive at the “target” spacecraft (the one who ordered the…
4 Apr: Newer Flash readers may not be aware that for a few months in 2022 we had Jack Anthony as a contributing author. In early 2024 I…
I met with one of our Space Cyber Fundamentals instructors, Glenn Reynolds, this week at Keesler AFB. Glenn had a model of a Saturn V rocket on his…
Friend of the Flash, Jack Anthony, wrote about the Molniya orbit in a couple of his “Jack's Astro Corner” articles. For those who might need a refresher I…
The final Jack's Astro Corner installment explains True Anomaly, its relationship to perigee and the position vector, and how it differs from Mean Anomaly.
Jack's Astro Corner: Argument of Perigee – Let’s get close with our orbit (Part V) Over the summer, Jack Anthony will break down each of the six orbital…
Bonus Jack's Astro Corner: How To Rendezvous With Another Satellite This essay will introduce the process of a “chaser” spacecraft (maybe a refueler servicing vehicle) goes through to…