Space Calendar

AIAA Defense Forum 2026
2026-04-15 - 2026-04-18 | Laurel MD, USA
AIAA secret / NOFORN event covering the strategic, programmatic, and technical topics and policy issues pertaining to the aerospace and defense community.

NASA Partnership Days
2026-04-15 - 2026-04-16 | Edwards CA, USA
At NASA Armstrong flight Research Center, for companies, government agencies and organization to explore collaboration opportunities in advanced research and technology development with NASA. 08:00-16:00 PDT on Wednesday, April 15, and 10:30-17:00 PDT or Thursday, April 16. Registration required.

Abstracts Due for International Space Development Conference (ISDC 2026)
2026-04-15 | Online
44th annual ISDC to be held Jun 4 – Jun 7 in McLean VA, USA, to bring together visionaries in spaceflight, the NewSpace economy, and space settlement for 4 days of groundbreaking discussions and insights.

International Space Development Conference (ISDC) 2026: Space For Us All

26th Integrated Communication, Navigation and Surveillance (ICNS) Conference
2026-04-14 - 2026-04-16 | Washington DC, USA
Addressing technology and policy advances in CNS research, development and implementation programs, and policies related to CNS/ATM capabilities and applications. Includes a workshop on interaction between launches and the air traffic system. ICNS Conference assembles leaders from government, industry, and academia, as well as senior technical experts to address important policy issues and contribute to the future directions of CNS and ATM. At Westin Washington Dulles Airport. Student rate available.

CubeSat Developers Workshop 2026 (CDW26)
2026-04-14 - 2026-04-16 | San Luis Obispo CA, USA
At Cal Poly campus building number 06, Performing Arts Center (PAC). Workshop sessions include: Core Hardware / Mechanisms, Radiation & Reliability, Comm Systems, Payloads, Deployment, Software / Autonomy, Flight Demos. There is a Career Fair at the end of the workshops, and a Farmer’s Market in the late afternoon.
3 Day Professional Pass (Includes Admission & Networking Dinner):
Early Bird Registration** – $450 (ends February 1st)
Regular Registration – $550
At the Door – $700
2 Day Professional Pass (Admission Only):
Early Bird Registration** – $350 (ends February 1st)
Regular Registration – $450
At the Door – $550
1 Day Professional Pass (Admission Only):
Early Bird Registration** – $175 (ends February 1st)
Regular Registration – $225
At the Door – $275

Student Participant Pricing*
3 Day Student Pass (Includes Admission & Networking Dinner):
Regular Student Registration – $175
At the Door Student – $200
2 Day Student Pass (Admission Only):
Regular Student Registration – $120
At the Door Student – $170
1 Day Student Pass (Admission Only):
Regular Student Registration – $85
At the Door Student – $100
*Students are defined as individuals currently enrolled in classes. Students may be required to present their student ID at check-in.
**Early Bird pricing ends on February 1. Last Minute & On site registration pricing will be available starting Monday, April 12.

Online Seminar on Power and Propulsion Systems
2026-04-14 | Online
With Tim Lieuwen of Georgia Institute of Technology, 13:00-14:00 EDT | 07:00-08:00 HST, spanning from fundamentals to current applications and unsolved problems at the intersection of combustion, fluid mechanics, and flow stability, offering insights for industry, researchers, and students alike. Full title of seminar: Patterns and Structure in the Fury and Noise: Coherent Structures and Organized Dynamics in Modern Power and Propulsion Systems.

Launch Falcon 9 / Starlink Group 17-27
2026-04-14 | SLC-4E (~35°N), Vandenberg SFB CA, USA
Launch window 19:00-23:00 PDT | 16:00-20:00 HST, for 25 internet satellites. Booster B1082 expected to land on ASDS OCISLY after this 21st flight.

Launch Falcon 9 / Starlink Group 10-24
2026-04-14 | SLC-40 (~28°N), Cape Canaveral SFS FL, USA
Launch window 02:13-06:13 EDT | 20:13 Apr 13 – 00:13 Apr 14 HST, for 29 internet satellites. Booster B1080 planned to land on ASDS JRTI after this 26th launch.

Launch Kinetica 1 / Unknown Payload
2026-04-14 | Jiuquan Space Launch Center, ~41°N, Gansu, China
Scheduled for Noon-12:15 China Time | 04:00 UTC | 18:00 HST April 13, rescheduled from Dec 2025; Kinetica is a solid-propellant 4-stage light launch vehicle, 30m tall with fairing diameter 3.35m, able to send 4,000kg to LEO or 3,000kg to SSO.

Launch Vehicle Avionics Systems Design and Applications – Online Short Course
2026-04-14 - 2026-04-30 | Online
George N. Andrew, with 46+ years of experience relating to launch vehicle, spacecraft / instrument avionics architecture, design, manufacturing, integration / testing / program management, convenes this course Tuesdays / Thursdays through April 30 at 13:00–15:30 EDT | 17:00-19:30 UTC | 09:00-11:30 HST (6 Classes, 15 Total Hours). All sessions will be recorded and available for replay; course notes will be available for download.
This new practical course offers a rare deep dive into launch vehicle avionics systems engineering and design. See website for details.
All students will receive an AIAA Certificate of Completion at the end of the course.
Mr. Andrew has extensive mission/systems engineering, and program/project management experience. He has consulted and worked with start-up spacecraft and launch vehicle companies, managing the flight and ground hardware/software architecture, design, development, manufacturing, test, and launch. Mr. Andrew has been the program/project manager for several spacecraft program contracts and the Avionics Department Manager for two start-up launch vehicles. He is currently supporting the NASA Explorers Program Office in the Program Systems Engineering office as the Mission Systems Engineer for the MUSE & UVEX Projects and as the Safety Engineer for 2 other Projects, all located at the NASA Goddard Space Flight Center in Greenbelt, MD. Mr. Andrew is the President of GNA Aerospace Consulting Group and is an Associate Fellow within the AIAA.

UN COPUOS Legal Subcommittee (LSC) Meeting
2026-04-13 - 2026-04-24 | Vienna, Austria
65th session of the UN COPUOS Legal Subcommittee (LSC). Informal meetings and consultations are expected to take place on April 13-14 and April 23-24, surrounding the main session dates. Key lunar issues to be addressed include resources and information-sharing. Sessions focus is on international space governance, including space safety, sustainability, lunar activities, and legal issues relating to space exploration. At Vienna International Centre (VIC), commonly known as the UN Headquarters, Wagramer Strasse 5, 1220 Vienna, specifically in the C-Building.
The Open Lunar foundation invites:
If you are attending these events or are interested in engaging on these topics, please reach out to connect@openlunar.org.

Satellite Building Workshop
2026-04-13 - 2026-04-17 | Singapore
For undergraduates in STEM-related courses. At Singapore Institute of Technology (SIT)

41st Space Foundation Space Symposium
2026-04-13 - 2026-04-16 | Colorado Springs CO, USA
Theme: Building Capacity Through Innovation and Collaboration. Expecting 10,000+ registrants, 247 exhibitors, 24 space agencies, 1500+ organizations. At The Broadmoor Hotel & Cheyenne Mountain Resort. Access to specific Track Programming ONLY available at US$425 for tracks:
Space Law & Regulation, Space Science & Exploration, Space Finance & Investment, Game Changers: AI & Space

ASCE Earth & Space 2026 Conference
2026-04-13 - 2026-04-16 | College Station TX, USA
20th International Conference on Engineering, Science, Construction and Operations in Challenging Environments: ASCE Earth & Space 2026

Registration Due: Lunar Surface Innovation Consortium Spring Meeting
2026-04-13 | Online
23:59 EDT | 03:59 UTC April 14. No cost for Online attendance; US$150-220 for in-person (Laurel MD, USA). Theme Accelerate the Pace: Touch Down, Power Up, and Explore! focuses on urgency for lunar infrastructure technology efforts, inviting discussions on how we can accelerate progress together. With the incredible momentum set by NASA’s Ignition Moon Base announcement and the successful launch of Artemis II, we can’t think of a better time to celebrate and make plans to address the critical timelines and sequential phases required to achieve our lunar surface goals!
Please visit the Registration Portal for registration options. Also, make sure to reserve your ticket early for the Networking Reception on Day 1!
What to look forward to this Spring?

Expert NASA and industry keynote speakers
Panels and breakout sessions on lunar infrastructure and technology topics
Over 100 technical posters
Over 30 technologies at the Tech Showcase

AIAA Region I Student Conference
2026-04-12 - 2026-04-13 | College Park MD, USA
Research papers are presented in a formal technical meeting atmosphere, and ideas are exchanged and programs discussed. Cash prizes given for 1st, 2nd and 3rd place papers in each category. At University of Maryland.

Launch Falcon 9 / Starlink Group 10-24
2026-04-12 | SLC-40 (~28°N), Cape Canaveral SFS FL, USA
Launch window 02:57 – 06:57 EDT | 20:57 Apr 11 – 00:57 Apr 12 HST for 29 internet satellites; Booster 1080 expected to land on ASDS JRTI after this 26th flight.

Yuri’s Night Celebrations
2026-04-12 | Worldwide
Launching parties around the world every year on or around April 12th, in commemoration of Yuri Gagarin becoming the first human to venture into space on April 12, 1961, and the inaugural launch of the first Space Shuttle on April 12, 1981. We use space to bring the world together, to empower the greatest parts of who we are, and give vision to where we are going.
Yuri’s Night was inaugurated April 12, 2001.

65th Commemoration of Human Spaceflight / Cosmonautics Day
2026-04-12 | Worldwide
Celebrating Yuri Gagarin, the 1st human to orbit Earth on Vostok 1 spacecraft in 1961; the flight lasted 108 minutes at 27,400 kph and 327 km above Earth.

Oklahoma Space Alliance Meeting
2026-04-11 | Norman OK, USA
14:00 CDT at Cyber Hall, 914 W Main St, opposite Norman High School; prospective members are welcome. Agenda: Introductions and review of Space events this past month; What’s Happening in Space – News, Pictures, and Videos approximately one hour, see the April Update at http://osa.nss.org before the meeting for items to be discussed; Chapter Business Discussion; chat / networking. To get to the meeting space from points north, take Highway 77 exit off I-35, and continue south until you reach Main Street. Norman Computers, next door to Cyber Hall, is about a block and a half west of this on the south (left) side of a small mall.

Maunakea Observatories' Participation in Annual Merrie Monarch Parade
2026-04-11 | Hilo HI, USA
MKO staff, ʻohana and community partners are invited to march in the annual Merrie Monarch Parade representing the Maunakea Observatories. We will gather at the soccer fields on bayfront that morning to talk story and make lei before marching. Please sign up to attend here. This is open to anyone and everyone to participate! 10:00-12:30 HST

25th Yuri's Night Celebration
2026-04-11 | Los Angeles CA, USA
No-cost, all-day, family-friendly event at Griffith Observatory featuring Astronauts Jannicke Mikkelsen and Ron Garan. A special ticketed feature presentation is at 7pm followed by a VIP reception that includes beer, wine, appetizers, and after hours telescope access.
At 2800 E Observatory Rd, Los Angeles, CA 90027, on the southern slope of Mount Hollywood in Griffith Park.

Space Generation Fusion Forum SGFF 2026
2026-04-10 - 2026-04-13 | Colorado Springs CO, USA
Held annually in conjunction with the Space Symposium, SGFF is a multi-day, high-intensity, fast-paced professional development and networking event focused on the global space industry. Students and young professionals from around the world, who are working and participating in all facets of the space community, apply to attend SGFF each year. At the scenic Broadmoor Resort in Colorado Springs, Colorado, USA.

From Earth to the Universe: At Robinson Planetarium
2026-04-10 | Adrian MI, USA
In honor of Astronomy Month, celebrated around the Earth, this full-dome planetarium program takes the audience out to the colorful birthplaces and burial grounds of stars, and still further out beyond the Milky Way to the unimaginable immensity of myriad galaxies. Along the way, the audience will learn about the history of astronomy, the invention of the telescope, and today’s giant telescopes that allow us to probe ever deeper into the Universe. At Adrian College, 110 South Madison Street, 19:00 EDT.
The planetarium will also address light pollution, a current issue affecting dark skies.

Pōwehi Day
2026-04-10 | Statewide Hawai’i, USA
Recognized proclamation to celebrate the first-ever imaged black hole M87* by Event Horizon Telescope collaboration involving Mauna Kea Observatories, given the Hawaiian name Pōwehi; imaged in April 2017 and released Apr 10, 2019.

Artemis II Splashdown in the Pacific Ocean Near San Diego CA, USA
2026-04-10 | Pacific Ocean
Expected for 17:07 PDT | 14:07 HST | 20:07 EDT | 00:07 UTC, after ~10-day journey around the Moon and 4-day return to Earth from Moon. A joint team of NASA specialists and U.S. Navy divers will secure the capsule, check for hazards, and recover the crew. Five large airbags will inflate to ensure the capsule is upright.

Ground Control #3: Space and the AI Revolution
2026-04-10 00:00 (Pacific/Honolulu)
With guest Arnt-Børre Salberg of the Norwegian Computing Center, partner with ESA for THOR Earth observation, a shared platform available to anyone with basic Python skills. At Mesh Youngstorget, Møllergata 6, 17:00-20:00 CEST. No charge but registration required. Program followed by networking.

Launch Falcon 9 / Starlink Group 17-21
2026-04-09 | SLC-4E (~35°N), Vandenberg SFB CA, USA
Launch window 22:39 April 9 – 02:39 April 10 PDT | 16:39-20:39 April 9 HST for 25 internet satellites; Booster B1063 to land on ASDS OCISLY after this 32nd flight.

Launch Long March 6A / Unknown Payload
2026-04-09 | Taiyuan Satellite Launch Center (TSLC), ~39°N, Shanxi, China
Launch window 03:35-03:46 China Time April 9 | 09:35-09:46 HST April 8 for the 23rd launch from Launch Complex 9A, and 153rd launch from Taiyuan Satellite Launch Center. The Long March 6A has solid rocket boosters.

AIAA-SF Young Professionals Happy Hour
2026-04-09 | Mountain View CA, USA
At Ludwig’s Biergarten, 383 Castro St, Mountain View, CA 94041, Apr. 9, 2026, 5 – 6:30pm
