October 13-19, 2025 / Vol 44, No 41 / Hawai`i Island, USA
Lunar Broadcast Precursor: Terrestrial Edition

October 13-19, 2025 / Hawai`i Island, USA

Vol 44, No 41: Lunar Broadcast Precursor: Terrestrial Edition

SpaceX Starship Flight 11 NET Oct 13, Increases Cadence Towards First Lunar Flights

Flight 11 is set to launch from Starbase during a window opening 18:15 CT. Booster 15, with 33 Raptor engines delivering 7,500 metric tons of thrust, pairs with Ship 38 standing 121 meters tall. This test follows Flight 10 success where Super Heavy achieved 100% engine relight and precise splashdown. Objectives for Flight 11 include heatshield endurance under 1,650°C reentry temperatures, and Raptor 3 data and maneuvers simulating return-to-launch-site landings with 90% accuracy. The fully reusable Starship reduces launch costs to US$10M per flight, down from $100M, eventually enabling 100+ annual missions. NASA US$2.89B Human Landing System contract positions Starship HLS to ferry Artemis III astronauts from lunar orbit to South Pole surface and back by 2027. Up to 16 tanker Starships will refuel HLS in orbit, transferring 1,200 metric tons of propellant for 250,000-kilometer round trips. Gateway station docking supports Artemis IV in 2028. SpaceX Starship drives lunar economy, projected at US$1.8T by 2040, powering cargo hauls of 150 tons to Moon and habitats for sustained presence. Future roles include Artemis V competition with Blue Origin, fostering innovation for Moon bases and Mars gateways, marking a milestone in reusable rocketry. (Image Credits: SpaceX)

Interstellar Research Group Is Bellwether for Credibility of Interstellar Community

Interstellar Research Group (IRG) holds its 9th Interstellar Symposium Distant Worlds, Neighboring Opportunities Oct 12-15 in Texas with partners International Academy of Astronautics (IAA) and Center for Planetary Systems Habitability, of the University of Texas at Austin. Scientists of all disciplines and expertise levels are invited to participate in symposium goals of advancing interstellar travel, not only for exploring other stars and what lies between them, but also understanding formation of galaxies and their elements, searching for extraterrestrial life, and ensuring safety and future of our planet. Symposium elements include presentations, social events and art. They are held every 2 years and videos of the 10-13 July 2023 symposium – the first held outside the USA (Montréal, Canada) – are on the IRG website. IRG provided guidance for the First European Interstellar Symposium, held in Luxembourg. British Interplanetary Society has sponsored and supported IRG events. 3 pre-symposium seminars increase the Standard, Student, IAA Member or IRG Member registration fee as does a post-symposium tour of Firefly Aerospace Rocket Ranch, which does not offer public tours. Up to 100 student scholarships are available. Plenary speakers include physicists, entrepreneurs and those discussing fusion power, growing food in space, the Europa Clipper and other subjects. The IRG website has daily updates with links to new science studies. (Image Credits: IRG, Firefly Aerospace)

Humans in Space

⭐ International Space Station, ~415-km LEO: Expedition 73 seven-member crew are maintaining life-support and electronics systems, installing and activating a technology demo for removing spacecraft moisture for recycling, and processing materials in the ultra-high-temperature module for measurement; Mike Fincke is installing: new physics research hardware to look at condensation when gas turns to liquid, and a bag that could be used to capture debris or samples outside the ISS; Zena Cardman is inspecting ventilation systems; Oleg Platonov took a fitness test while on a treadmill.

⭐ Tiangong Space Station, ~390-km LEO: Shenzhou 20 three-member crew, Chen Dong, Chen Zhongrui and Wang Jie, are observing ignition testing in Wenchang of Long March 10A, able to carry ~14,000kg (astronauts / cargo) to the station without side thrusters that would carry >27,000kg to Earth-Moon transfer; storing / analyzing samples from an extravehicular exposure experiment device to learn mechanisms of structural damage / performance degradation of advanced materials used for construction, shielding, solar wings and lubrication; measuring their fine motor skills under microgravity conditions; conducting combustion experiments of various fuels: gas / liquid / solid; using neuromuscular stimulators to relax and prevent muscle atrophy.

🌔 Lunar News: Weekly lunar advisories [coming soon]

☄ Near-Earth Objects Close Approaches – Mon Oct 13: Apollo Asteroid 2025 TV2 (0.008 AU); Tue Oct 14: Apollo Asteroid 2022 AY5 (0.019 AU); Wed Oct 15: Aten Asteroid 2022 UY3 (0.026 AU); Thu Oct 16: Apollo Asteroid 2025 SX26 (0.022 AU).

First Women Land on the Moon in…

Days

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22 - 24 Oct 2026
  • Meeting / Conference / Symposium
Los Angeles CA, USA
At the University of Southern California, the world's largest gathering dedicated to human Mars exploration. For nearly three decades, the International Mars Society Convention...
24 Oct 2026
  • Observation / Anniversary
Mars Orbit
NASA spacecraft surpasses another full year in orbit around Mars today, holds record for longest-surviving continually active spacecraft in orbit around a planet other...
24 Oct 2026
  • Launch
SLC-4E (~35°N), Vandenberg SFB CA, USA
Launch window 4:14-8:14pm local time for another batch of 27 satellites for SpaceX's Starlink space-based internet mega-constellation.
25 - 30 Oct 2026
  • Meeting / Conference / Symposium
Spokane WA, USA
At the Spokane Convention Center. The meeting will have a broad scope, with a wide-ranging program of science and workforce topics, and celebrating planetary...
25 Oct 2026
  • Space / Astro Events
Moon Orbit
18:12 HST // 04:12 UTC on Oct 26.
25 Oct 2026
Europe
Change clocks back 1 hour, from Summer Time to Standard Time.
26 Oct 2026
  • Observation / Anniversary
Heliocentric Orbit
NASA craft imaging Sun and solar phenomena surpasses another full year in space today; launched 2006.
26 - 27 Oct 2026
  • Meeting / Conference / Symposium
Bangkok, Thailand
The 10th edition offers a unique opportunity to celebrate the evolution of the Moon Village concept and set the stage for the future of...
26 - 28 Oct 2026
  • Meeting / Conference / Symposium
Huntsville AL, USA
Convene, connect, and collaborate at the 19th annual von Braun Space Exploration Symposium! This year’s event will spotlight how bold ideas, emerging technologies, and...
27 - 30 Oct 2026
  • Meeting / Conference / Symposium
Bangkok, Thailand
Theme: “Bridging the Asia-Pacific: Advancing a Trusted and Inclusive Space Future”.
27 - 28 Oct 2026
  • Meeting / Conference / Symposium
Oslo, Norway
Themes include: Space & the Arctic; Space & AI; Space & International Collaboration. There is a Student Session, a Technical Session, a Frontier Session,...
28 Oct 2026
  • Meeting / Conference / Symposium
Oslo, Norway
Oslo Spaceport Norway offers monthly a knowledgeable speaker and opportunity for networking, 17:00-20:00 local time; free entry but registration required. Ground Control is for...
28 Oct 2026
  • Launch
SLC-41 (~28°N), Cape Canaveral SFS FL, USA
45 satellites to launch for Amazon Leo, formerly named Project Kuiper. This LEO mega constellation will offer broadband internet access with 3,276 satellites.
29 Oct 2026
  • Mission Milestone
Low Earth Orbit (LEO)
Astronauts Anil Menon and Joshua Kutryk will perform a 6.5-hour EVA to completely install and deploy iROSA #7 on the 2A power channel. Once...
31 Oct 2026
  • Meeting / Conference / Symposium
Jakarta, Indonesia
Occurring 31 October from 09:00-11:00 local time (16:00-18:00 HST, 19:00-21:00 PDT, 22:00-24:00 EDT on 30 October), this Galaxy Forum will be in hybrid format...
01 Nov 2026
  • Meeting / Conference / Symposium
Wenchang, Hainan, China
Originally planned around this date for Wenchang, China -- TBC (to be confirmed); As the only professional association for astronauts, ASE supports the advancement of...
02 Nov 2026
  • Mission Milestone
Low Earth Orbit (LEO)
Today marks another full year of continuous Human occupation of ISS; first component Zarya launched Nov 20, 1998, occupation began Nov 2, 2000.
02 - 06 Nov 2026
  • Meeting / Conference / Symposium
Tokyo, Japan
Coordinating Division Division C Education, Outreach and Heritage The IAU Symposium on Innovative Research and Techniques in Astronomy Communication will take place from November...
02 Nov 2026
  • Observation / Anniversary
Nationwide USA
Change clocks back 1 hour from Daylight Saving to Standard Time; does not include Hawai’i, Arizona (except the Navajo Nation), American Samoa, Guam, Northern...
02 - 06 Nov 2026
  • Meeting / Conference / Symposium
Florence, Italy
ESWW is the main annual event in the European Space Weather and Space Climate calendar. It is an international meeting organised annually within the...
02 - 06 Nov 2026
  • Meeting / Conference / Symposium
Tokyo, Japan
IAU Symposium: IAUS409 - A Journey Towards Effective Astronomy Communication; online and at National Astronomical Observatory of Japan, 2-21-2 Osawa Mitaka, Tokyo. Topics include:...
03 Nov 2026
  • Launch
Launch Complex 1, ~39°S, Mahia Peninsula, New Zealand
iQPS Launch 9, an Earth observation satellite with Synthetic aperture radar for Japan-based imaging company iQPS, to launch on "The Sea God Surveys" mission...
22 - 24 Oct 2026
At the University of Southern California, the world's largest gathering dedicated to human Mars exploration....
Los Angeles CA, USA
24 Oct 2026
NASA spacecraft surpasses another full year in orbit around Mars today, holds record for longest-surviving...
Mars Orbit
24 Oct 2026
Launch window 4:14-8:14pm local time for another batch of 27 satellites for SpaceX's Starlink space-based...
SLC-4E (~35°N), Vandenberg SFB CA, USA
25 - 30 Oct 2026
At the Spokane Convention Center. The meeting will have a broad scope, with a wide-ranging...
Spokane WA, USA
25 Oct 2026
18:12 HST // 04:12 UTC on Oct 26.
Moon Orbit
25 Oct 2026
Change clocks back 1 hour, from Summer Time to Standard Time.
Europe
26 Oct 2026
NASA craft imaging Sun and solar phenomena surpasses another full year in space today; launched...
Heliocentric Orbit
26 - 27 Oct 2026
The 10th edition offers a unique opportunity to celebrate the evolution of the Moon Village...
Bangkok, Thailand
26 - 28 Oct 2026
Convene, connect, and collaborate at the 19th annual von Braun Space Exploration Symposium! This year’s...
Huntsville AL, USA
27 - 30 Oct 2026
Theme: “Bridging the Asia-Pacific: Advancing a Trusted and Inclusive Space Future”.
Bangkok, Thailand
27 - 28 Oct 2026
Themes include: Space & the Arctic; Space & AI; Space & International Collaboration. There is...
Oslo, Norway
28 Oct 2026
Oslo Spaceport Norway offers monthly a knowledgeable speaker and opportunity for networking, 17:00-20:00 local time;...
Oslo, Norway
28 Oct 2026
45 satellites to launch for Amazon Leo, formerly named Project Kuiper. This LEO mega constellation...
SLC-41 (~28°N), Cape Canaveral SFS FL, USA
29 Oct 2026
Astronauts Anil Menon and Joshua Kutryk will perform a 6.5-hour EVA to completely install and...
Low Earth Orbit (LEO)
31 Oct 2026
Occurring 31 October from 09:00-11:00 local time (16:00-18:00 HST, 19:00-21:00 PDT, 22:00-24:00 EDT on 30...
Jakarta, Indonesia