Space Calendar

U.S. ISS Spacewalk 96
2026-08-06 | Low Earth Orbit (LEO)
NASA astronauts Jessica Meir and Anil Menon will exit the Quest airlock to install hardware that will modify the station’s 3B power channel and prepare it for the future installation of an International Space Station Roll-Out Solar Array (IROSA). The solar array, scheduled for delivery later this year, will be the seventh IROSA and will provide additional power to support critical station operations, including its safe and controlled deorbit.
Watch NASA’s live coverage of U.S. spacewalk 96 beginning at 7 a.m. The spacewalk is expected to start at 8:35 a.m. and last about six and a half hours.
This spacewalk will be the sixth for Meir and the first for Menon. Meir will serve as spacewalk crew member 1 and will wear a suit with red stripes. Menon will serve as crew member 2 and will wear an unmarked suit.

Webinar: PQC for Space and Critical Infrastructure
2026-08-06 | Online
Virtual Series 2026 will offer deeper conversations on why PQC matters and the practical steps businesses should be taking; starts 1:00 pm AEST.
Featuring:
✅Sandeep Taileng, Director, Cyber in Space
✅Sam Tseitkin, CEO, ExeQuantum
✅Dr Huon Curtin, Head of External Affairs, CI-ISAC Australia
✅Sivaraj Ganesan, Cybersecurity Architect & Security Leader
✅Chris Cubbage, Director, Space and Earth Partners and Advisory | Cyber In Space (Moderator)
This episode is valuable for security professionals, IT and infrastructure leaders, consultants, facility managers, and executives responsible facing unique challenges in cybersecurity, satellite communications, operational technology (OT), and critical infrastructure environments.
Hear practical insights and real-world considerations for assessing cryptographic risk and developing a migration strategy.

Launch Spectrum / Onward and Upward
2026-08-06 | Andøya Spaceport, ~63°N, Norway
2nd test flight of Isar Spectrum launch vehicle, to carry 5 cubesats to SSO, and ESA “Boost!” experiment:
* CyBEEsat (TU Berlin)
* TriSat-S (University of Maribor)
* Platform 6 (EnduroSat)
* FramSat-1 (NTNU)
* SpaceTeamSat1 (TU Wien Space Team)
* Let It Go (Dcubed, non-separable experiment)
Isar Aerospace is based in Munich, Germany, and was founded in 2018.

Falcon 9 Upper Stage to Impact Moon
2026-08-05 | Near Einstein + Bell Craters, ~19.45°N 93.59° W, Moon Surface
At 06:34:33 UTC on August 5, the upper stage (catalogued as 2025-010D) from the launch of Firefly’s Blue Ghost-1 lander on January 15, 2025 will impact the Moon at roughly 2.43 km/s (8,700 km/h or 5,400 mph) – resulting in a flash of light, vaporizing the upper stage and a impact plume of ejecta near the Einstein and Bell craters near the western lunar limb at approximately 19.455° N and longitude 266.406° E (which is 93.594° W) — the western lunar limb, which is the Earth-facing edge around the 10 o’clock position.
Researchers and those with sensitive enough telescopes will be able to witness the event.

14 Years on Mars: Curiosity Rover (Mars Science Laboratory)
2026-08-05 | Mars Surface
NASA Curiosity (Mars Science Laboratory) rover surpasses another full year of operations on Mars surface today; launched Nov 26, 2011 – landed Aug 5, 2012 (Pacific Daylight Time).

NASA Astronaut Chris Williams Post-ISS Mission Debrief
2026-08-04 | Online
2:45 pm EDT from Johnson Space Center, NASA astronaut Chris Williams will recap his recent eight-month mission aboard the International Space Station. Williams returned to Earth on July 26, after logging 241 days as an Expedition 73/74 flight engineer during his first spaceflight. He returned along with Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev, completing 3,856 orbits of the Earth over the course of their more than 102-million-mile journey. They also saw the arrival of six visiting spacecraft and the departure of eight.
During his mission, Williams supported a wide range of scientific investigations and technology demonstrations. He helped advance research for new cancer treatments and improved in-space manufacturing of materials used in high-performance computers and electronics. Williams also completed two spacewalks to prep for space station power system upgrades and to replace a faulty joint on the Canadarm2 robotic arm. The crew’s work aboard the space station helps improve life on Earth and prepare for future human missions to the Moon and Mars.

Voyager Technologies Q2 2026 Financial Results Telecon
2026-08-04 | Online
Voyager Technologies (NYSE: VOYG) will hold its 2nd quarter 2026 earnings call at 09:00 EDT.

SpaceX Announces 2nd Quarter 2026 Financial Results
2026-08-04 | Online
Holding its first financial results telecon 4:30pm EDT, after going public on June 12, 2026.

Launch Falcon 9 / BlueBird Block 2 #6-8
2026-08-04 | SLC-40 (~28°N), Cape Canaveral SFS FL, USA
To deliver AST SpaceMobile’s Block 2 BlueBird satellites to LEO for cellular broadband service coverage.

Launch Jielong-3 (Smart Dragon 3) / Unknown Payload
2026-08-04 | Haiyang Offshore, Haiyang Oriental Spaceport ~36°N, China
Smart Dragon-3 is a solid-fuel orbital rocket designed by a subsidiary of CASC for the commercial market.

NASA Briefings on SpaceX Crew-13
2026-08-03 | Online
Occurring at 12pm ET with NASA, the Canadian Space Agency (CSA), and SpaceX, followed by and 2PM ET briefings with the crew itself:
12 p.m.: Mission Overview News Conference

Joel Montalbano, deputy associate administrator, Human Spaceflight Mission Directorate, NASA Headquarters
Dana Weigel, manager, Low Earth Orbit Program, NASA Johnson
Mathieu Caron, director, Astronauts, Life Sciences, and Space Medicine, CSA
Julianna Scheiman, director, NASA Science and Dragon Programs, SpaceX

2 p.m.: Crew-13 News Conference

Jessica Watkins, commander, NASA
Luke Delaney, pilot, NASA
Joshua Kutryk, mission specialist, CSA
Sergey Teteryatnikov, mission specialist, Roscosmos

Launch Long March 8A / Unknown Payload
2026-08-03 | Wenchang Space Launch Center, ~19°N, Hainan Island, China
Launching from the Commercial LC-1 launch pad.

Asia Oceania Geosciences Society 23rd Annual Meeting (2026)
2026-08-02 - 2026-08-07 | Fukuoka, Japan
From 02 to 07 August 2026, a few thousand geoscientists across diverse disciplines will gather at the 23rd annual meeting of the Asia Oceania Geosciences Society at the Fukuoka International Congress Centre, Japan.

46th Scientific Assembly of the Committee on Space Research (COSPAR 2026)
2026-08-01 - 2026-08-09 | Florence, Italy
Includes ~150 meetings covering the fields of COSPAR Scientific Commissions / Panels / Task Groups, such as SC B: The Earth-Moon System, Planets, and Small Bodies of the Solar System. At Fortezza da Basso.

Abstracts Due for 2nd European Interstellar Symposium
2026-07-31 | Venice, Italy
to be held December 2-4, 2026 in Venice, Italy. Interstellar space is not the domain of any one discipline. It demands insight from across the full spectrum of human knowledge, creativity, and professional practice. While this includes science, engineering, philosophy, communications, media, policy, and the arts, these are only examples. We welcome contributions from any field, industry, or perspective that helps advance interstellar exploration, understanding, and public engagement.
The symposium will create space for presentations, dialogue, and collaboration across the technical, human, cultural, and strategic dimensions of humanity’s interstellar future.
Abstracts should be submitted to Registrar@irg.space

International Conference on Astronomy and Space Sciences (ICASS 2026)
2026-07-30 - 2026-07-31 | London, United Kingdom
The International Research Conference is a federated organization dedicated to bringing together a significant number of diverse scholarly events for presentation within the conference program. Events will run over a span of time during the conference depending on the number and length of the presentations. With its high quality, it provides an exceptional value for students, academics and industry researchers.

Southern Delta Aquariids Meteor Shower Peak
2026-07-30 - 2026-07-31 | Worldwide
Emanating from ~6km-wide comet with 5.3-year Solar orbit, visible in constellation Aquarius near star Delta Aquarii, fast, faint meteors peak on this night, best seen from the Southern Hemisphere; the bright Moon in 2026 may make the best viewing several days earlier.

Launch Falcon 9 / NROL-95
2026-07-30 | SLC-40 (~28°N), Cape Canaveral SFS FL, USA
Launch window opens 03:09am EDT for classified payload to launch for the US National Reconnaissance Office.

Media Briefing on Nancy Grace Roman Space Telescope
2026-07-29 | Online
Set to launch August 30, this 2pm EDT briefing will feature NASA personnel Shawn Domagal-Goldman, Jackie Townsend, Julie McEnery, and Jeremy Perkins.

Launch Long March 6A / Unknown Payload
2026-07-29 | Taiyuan Satellite Launch Center (TSLC), ~39°N, Shanxi, China
Unknown payload launching from Launch Complex 9A launch pad.

Buck / Thunder Moon
2026-07-29 | Moon Orbit
14:37 UTC / 04:37 HST.

Boeing 2nd Quarter 2026 Financial Results Telecon
2026-07-28 | Online
10:30 ET, Boeing to announce its 2nd quarter 2026 financial results.

Discs on the Exe: From protostellar discs to debris discs and planets
2026-07-27 - 2026-07-28 | Exeter, United Kingdom
In celebration of the 25th anniversary of the creation of the Astrophysics Group at the University of Exeter, we are pleased to announce the international conference “Discs on the Exe”. The conference will cover observations and theory of circumstellar discs, ranging from the formation of discs during star formation, to the processes involved in the formation of planetary systems and shaping of debris discs. Particular topics will include:

Protoplanetary disc formation, clusters and Class 0/I discs.
Protoplanetary disc structures and their evolution.
Planets in discs and how they shape them
Disc chemistry
Protoplanetary disc dispersal and debris discs

Launch Falcon 9 / Starlink Group 17-52
2026-07-27 | SLC-4E (~35°N), Vandenberg SFB CA, USA
Another batch of 24 satellites for SpaceX’s Starlink space-based Internet service.

2026 AAS / AIAA Astrodynamics Specialist Conference
2026-07-26 - 2026-07-30 | Whistler, British Columbia, Canada
AAS hosts, and AIAA co-hosts, specifically AAS Space Flight Mechanics Committee and AIAA Astrodynamics Technical Committee. At Hilton Whistler Resort & Spa.

Soyuz MS-28 / Crew Return to Earth
2026-07-26 | Low Earth Orbit (LEO)
Sergey Kud-Sverchkov, Sergey Mikayev and Christopher Williams set to undock from ISS in Soyuz MS-28, triggering the start to Expedition 75 with Commander Jessica Meir.

ISS Change of Command - Jessica Meir Becomes Exp 75 Commander
2026-07-25 | Low Earth Orbit (LEO)
NASA astronaut Jessica Meir takes command of ISS during changeover, followed by three Expedition 74 crew members returning to Earth.

Launch Falcon 9 / Starlink Group 17-51
2026-07-24 | SLC-4E (~35°N), Vandenberg SFB CA, USA
Another batch of 24 satellites to LEO for SpaceX’s Starlink space-based Internet communication mega-constellation.

Launch Starship Flight 13
2026-07-24 | Starbase, 25.9°N, Boca Chica TX, USA
5:45pm CT for second test flight of the updated Starship Block 3 (V3) vehicle, utilizing Booster 20 and Ship 40; planned to splashdown in Pacific Ocean.

Launch Long March 3B / Unknown Payload
2026-07-23 | Xichang Satellite Launch Center, ~28°N, Sichuan, China
Next launch for China’s medium-range Long March 3B / E variant with higher payload fairing, larger boosters and fuel tanks.
