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BEGIN:VEVENT
DTSTART;VALUE=DATE:20270301
DTEND;VALUE=DATE:20270302
DTSTAMP:20260613T133946
CREATED:20251024T201503Z
LAST-MODIFIED:20260421T021254Z
UID:10000533-1803859200-1803945599@spacecalendar.com
SUMMARY:NET March 2027 / NLT June 2027 — Launch SLS / Orion for Artemis 3 - Human Moon Landing Precursor
DESCRIPTION:Crew of 4 to Low Earth Orbit to test docking of Orion craft with separately launched prototype lunar landing systems from SpaceX and / or Blue Origin. Astronauts will then transfer over to the lander(s) to check life-support systems. Possible testing also of Axiom lunar spacesuits including EVA.
URL:https://spacecalendar.com/event/net-july-launch-sls-orion-artemis-3-humans-land-on-the-moon/
LOCATION:SLC-39B\, ~29°N\, Kennedy Space Center FL\, USA
CATEGORIES:Launch
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270303
DTEND;VALUE=DATE:20270305
DTSTAMP:20260613T133946
CREATED:20260612T212825Z
LAST-MODIFIED:20260612T212825Z
UID:10001352-1804032000-1804204799@spacecalendar.com
SUMMARY:13th Annual Space Traffic Conference
DESCRIPTION:With theme “Turning Conjunctions Into Coordination”. Abstracts of up to 500 words will be accepted and must include the precise title of the paper\, the topic area of interest\, the author’s full name and affiliation\, and complete contact information including an email address. The language of the conference is English. All abstracts must follow the ST Conference paper guidelines and the abstract template will be made available on the conference website. Details are forthcoming.
URL:https://spacecalendar.com/event/13th-annual-space-traffic-conference/
LOCATION:TBD
CATEGORIES:Meeting / Conference / Symposium
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270315
DTEND;VALUE=DATE:20270320
DTSTAMP:20260613T133946
CREATED:20260417T014616Z
LAST-MODIFIED:20260417T014616Z
UID:10001221-1805068800-1805500799@spacecalendar.com
SUMMARY:58th Lunar and Planetary Science Conference (LPSC)
DESCRIPTION:LPSC is a defining event in planetary research\, bringing together a diverse group of international experts in a truly collaborative environment\, both online and in-person. The conference location will be announced at a later date. For 58 years\, LPSC has been convening the lunar and planetary science community to showcase the latest science\, research\, and discoveries in the field. Submit an indication of interest to receive timely updates and additional information about the conference.
URL:https://spacecalendar.com/event/58th-lunar-and-planetary-science-conference-lpsc/
LOCATION:Online
CATEGORIES:Meeting / Conference / Symposium
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270316
DTEND;VALUE=DATE:20270320
DTSTAMP:20260613T133946
CREATED:20260521T043642Z
LAST-MODIFIED:20260521T043642Z
UID:10001285-1805155200-1805500799@spacecalendar.com
SUMMARY:AIAA Defense Forum 2027
DESCRIPTION:17 Disciplines addressed include Space Access and Space Systems.
URL:https://spacecalendar.com/event/aiaa-defense-forum-2027/
LOCATION:Laurel MD\, USA
CATEGORIES:Meeting / Conference / Symposium
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270410
DTEND;VALUE=DATE:20270411
DTSTAMP:20260613T133946
CREATED:20251024T201503Z
LAST-MODIFIED:20251024T201503Z
UID:10000546-1807315200-1807401599@spacecalendar.com
SUMMARY:Pōwehi Day
DESCRIPTION: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.
URL:https://spacecalendar.com/event/powehi-day-3/
LOCATION:Statewide Hawai’i\, USA
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270412
DTEND;VALUE=DATE:20270413
DTSTAMP:20260613T133946
CREATED:20251024T201503Z
LAST-MODIFIED:20251024T201503Z
UID:10000531-1807488000-1807574399@spacecalendar.com
SUMMARY:66th Commemoration of Human Spaceflight / Cosmonautics Day
DESCRIPTION: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.
URL:https://spacecalendar.com/event/66th-commemoration-of-human-spaceflight-cosmonautics-day/
LOCATION:Worldwide
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270412
DTEND;VALUE=DATE:20270413
DTSTAMP:20260613T133946
CREATED:20251024T201503Z
LAST-MODIFIED:20251024T201503Z
UID:10000545-1807488000-1807574399@spacecalendar.com
SUMMARY:Yuri’s Night Celebrations
DESCRIPTION: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. \nYuri’s Night was inaugurated April 12\, 2001.
URL:https://spacecalendar.com/event/yuris-night-celebrations-3/
LOCATION:Worldwide
CATEGORIES:Meeting / Conference / Symposium
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270412
DTEND;VALUE=DATE:20270416
DTSTAMP:20260613T133946
CREATED:20260417T022623Z
LAST-MODIFIED:20260417T024844Z
UID:10001225-1807488000-1807833599@spacecalendar.com
SUMMARY:42nd Space Symposium
DESCRIPTION:Theme: TBA. Expecting 10\,000+ registrants\, 240+ exhibitors\, 24 space agencies\, 1500+ organizations. Access to specific Track Programming ONLY available at less than full-conference fee.
URL:https://spacecalendar.com/event/41st-space-foundation-space-symposium-2/
LOCATION:Colorado Springs CO\, USA
CATEGORIES:Meeting / Conference / Symposium
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270418
DTEND;VALUE=DATE:20270419
DTSTAMP:20260613T133946
CREATED:20251031T203301Z
LAST-MODIFIED:20260515T025537Z
UID:10000624-1808006400-1808092799@spacecalendar.com
SUMMARY:9th Anniversary of Transiting Exoplanet Survey Satellite (TESS) Launch
DESCRIPTION:Space telescope for NASA Explorers program\, reaches 9th full year in space today\, designed to search for exoplanets using the transit method in an area 400 times larger than that covered by Kepler / K2 mission; launched April 18\, 2018.
URL:https://spacecalendar.com/event/transiting-exoplanet-survey-satellite-tess-begins-next-year-in-space-2/
LOCATION:High Earth Orbit (HEO)
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270424
DTEND;VALUE=DATE:20270425
DTSTAMP:20260613T133946
CREATED:20251024T201503Z
LAST-MODIFIED:20260515T031300Z
UID:10000534-1808524800-1808611199@spacecalendar.com
SUMMARY:37th Anniversary of Hubble Space Telescope Launched
DESCRIPTION:NASA spacecraft with 2.4-meter diameter main telescope begins 38th year in space today\, launched Apr 24\, 1990; could continue operations until 2040s.
URL:https://spacecalendar.com/event/hubble-space-telescope-begins-next-year-in-space/
LOCATION:Low Earth Orbit (LEO)
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270424
DTEND;VALUE=DATE:20270425
DTSTAMP:20260613T133946
CREATED:20251024T201503Z
LAST-MODIFIED:20260605T020910Z
UID:10000536-1808524800-1808611199@spacecalendar.com
SUMMARY:Tianwen-2 Departs Kamo’oalewa (2016 HO3)
DESCRIPTION:China Tianwen-2 asteroid sample return mission planned to depart Kamo’oalewa (2016 HO3) today and return to Earth with least 100 grams of sample\, to enter Earth atmosphere on Nov 29\, 2027.
URL:https://spacecalendar.com/event/tianwen-2-departs-kamooalewa-2016-ho3/
LOCATION:Earth Trajectory
CATEGORIES:Space Event / Encounter
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270424
DTEND;VALUE=DATE:20270425
DTSTAMP:20260613T133946
CREATED:20251024T201503Z
LAST-MODIFIED:20251024T201503Z
UID:10000544-1808524800-1808611199@spacecalendar.com
SUMMARY:National Day of Space Flight
DESCRIPTION:Commemorating the launch of China’s first satellite\, Dongfanghong-1 on April 24\, 1970.
URL:https://spacecalendar.com/event/national-day-of-space-flight-3/
LOCATION:China (Zhongguo)
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270507
DTEND;VALUE=DATE:20270508
DTSTAMP:20260613T133946
CREATED:20251024T201503Z
LAST-MODIFIED:20251024T201503Z
UID:10000542-1809648000-1809734399@spacecalendar.com
SUMMARY:International Space Day
DESCRIPTION:First Friday in May\, events and presentations to promote STEM education and inspire people to continue the work of Space explorers; originally began as ‘National Space Day’ in 1997 by Lockheed Martin Corp.
URL:https://spacecalendar.com/event/international-space-day-3/
LOCATION:Worldwide
CATEGORIES:Meeting / Conference / Symposium
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270518
DTEND;VALUE=DATE:20270521
DTSTAMP:20260613T133946
CREATED:20260219T072413Z
LAST-MODIFIED:20260219T072625Z
UID:10001025-1810598400-1810857599@spacecalendar.com
SUMMARY:ASCEND 2027: Accelerating Space Commerce\, Exploration and New Discovery
DESCRIPTION:KEY THEMES ARE: Advancing human spaceflight and microgravity research\, Enabling sustainable cislunar and lunar exploration\, Defining the Moon-to-Mars pathway and beyond\, Shaping space policy and law to enable long-term activity\, Finance and innovation across the space economy\, New horizons in space infrastructure and services\, Cross-cutting technologies\, Developing the next generation of space leaders
URL:https://spacecalendar.com/event/ascend-2027-accelerating-space-commerce-exploration-and-new-discovery/
LOCATION:Washington DC\, USA
CATEGORIES:Meeting / Conference / Symposium
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270521
DTEND;VALUE=DATE:20270522
DTSTAMP:20260613T133946
CREATED:20251031T203906Z
LAST-MODIFIED:20260515T025504Z
UID:10000626-1810857600-1810943999@spacecalendar.com
SUMMARY:9th Anniversary of Chang’E-4 Queqiao Relay Satellite Launch
DESCRIPTION:China Queqiao “bridge of magpies” satellite reaches 9 full years in space today\, launched 2018 to provide far side communications to Earth from Chang’E-4 lander / rover.
URL:https://spacecalendar.com/event/change-4-queqiao-relay-satellite-begins-next-year-in-space-2/
LOCATION:Earth-Moon L2 Lagrange point
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270605
DTEND;VALUE=DATE:20270606
DTSTAMP:20260613T133946
CREATED:20251024T201504Z
LAST-MODIFIED:20260515T030920Z
UID:10000550-1812153600-1812239999@spacecalendar.com
SUMMARY:Tiangong Space Station (TSS): 5 Years of Continuous Human Occupation
DESCRIPTION:Today marks 5th full year / starts 6th year of continuous Human occupation of TSS; Shenzhou 14 three-member crew launched on this day in 2022\, beginning occupation.
URL:https://spacecalendar.com/event/tiangong-space-station-2/
LOCATION:Low Earth Orbit (LEO)
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270606
DTEND;VALUE=DATE:20270608
DTSTAMP:20260613T133946
CREATED:20251024T201504Z
LAST-MODIFIED:20251024T201504Z
UID:10000551-1812240000-1812412799@spacecalendar.com
SUMMARY:Islamic New Year 1449 AH
DESCRIPTION:New Year 1 Muharram (1st day) to begin at sunset on Jun 6; if young New Moon is not visible the beginning of the month and year may be delayed.
URL:https://spacecalendar.com/event/islamic-new-year-1449-ah/
LOCATION:Worldwide
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270607
DTEND;VALUE=DATE:20270612
DTSTAMP:20260613T133946
CREATED:20260130T010043Z
LAST-MODIFIED:20260130T011032Z
UID:10000989-1812326400-1812758399@spacecalendar.com
SUMMARY:AIAA Aviation Forum 2027
DESCRIPTION:The only aviation event that covers the entire integrated spectrum of aviation business\, research\, development and technology. At Manchester Grand Hyatt.
URL:https://spacecalendar.com/event/aiaa-aviation-forum-2027/
LOCATION:San Diego CA\, USA
CATEGORIES:Meeting / Conference / Symposium
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270613
DTEND;VALUE=DATE:20270614
DTSTAMP:20260613T133946
CREATED:20251024T201504Z
LAST-MODIFIED:20260515T030842Z
UID:10000291-1812844800-1812931199@spacecalendar.com
SUMMARY:15th Anniversary of Nuclear Spectroscopic Telescope Array (NuSTAR) Launch
DESCRIPTION:NASA\, Cal-tech high-energy astrophysics satellite surpasses another year in space\, having launched on this day in 2012.
URL:https://spacecalendar.com/event/nuclear-spectroscopic-telescope-array-nustar-begins-next-year-in-space-2/
LOCATION:Low Earth Orbit (LEO)
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270614
DTEND;VALUE=DATE:20270621
DTSTAMP:20260613T133946
CREATED:20260130T005821Z
LAST-MODIFIED:20260130T010142Z
UID:10000988-1812931200-1813535999@spacecalendar.com
SUMMARY:56th International Paris Air Show (Salon du Bourget)
DESCRIPTION:For over a century\, the International Paris Air Show at Le Bourget has been a prime meeting place for the global aerospace industry.
URL:https://spacecalendar.com/event/56th-international-paris-air-show-salon-du-bourget/
LOCATION:Paris\, France
CATEGORIES:Meeting / Conference / Symposium
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270623
DTEND;VALUE=DATE:20270624
DTSTAMP:20260613T133946
CREATED:20251031T210242Z
LAST-MODIFIED:20260515T025133Z
UID:10000635-1813708800-1813795199@spacecalendar.com
SUMMARY:18th Anniversary of Lunar Reconnaissance Orbiter (LRO) Entering Moon Orbit
DESCRIPTION:NASA spacecraft reaches 18 full years in Moon orbit today; launched Jun 18\, 2009\, arrived at Moon 5 days later.
URL:https://spacecalendar.com/event/lunar-reconnaissance-orbiter-lro-begins-next-year-in-moon-orbit-2/
LOCATION:Moon Orbit
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270627
DTEND;VALUE=DATE:20270628
DTSTAMP:20260613T133946
CREATED:20251024T201503Z
LAST-MODIFIED:20260515T031219Z
UID:10000549-1814054400-1814140799@spacecalendar.com
SUMMARY:16th Anniversary of Acceleration\, Reconnection\, Turbulence and Electrodynamics of the Moon’s Interaction with the Sun (ARTEMIS) P1 Entering Lunar Orbit
DESCRIPTION:NASA ARTEMIS P1 craft surpasses another year in lunar orbit since 2011; it was 1 of 5 satellites launched 2007 to study Earth magnetosphere.
URL:https://spacecalendar.com/event/acceleration-reconnection-turbulence-and-electrodynamics-of-the-moons-interaction-with-the-sun-artemis-p1-begins-next-year-in-space-2027/
LOCATION:Earth-Moon L2 Lagrange point
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270630
DTEND;VALUE=DATE:20270701
DTSTAMP:20260613T133946
CREATED:20260128T213058Z
LAST-MODIFIED:20260128T215417Z
UID:10000644-1814313600-1814399999@spacecalendar.com
SUMMARY:Asteroid Day 2027
DESCRIPTION:UN-Sanctioned annual\, global asteroid awareness program supporting thousands of independently organized events\, providing educational resources; held on June 30\, the anniversary of the Tunguska event in 1908 when a meteor air burst levelled about 2\,150 km² of forest in Siberia\, Russia.
URL:https://spacecalendar.com/event/asteroid-day-2027/
LOCATION:Worldwide
CATEGORIES:Meeting / Conference / Symposium,Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270717
DTEND;VALUE=DATE:20270718
DTSTAMP:20260613T133946
CREATED:20251024T201503Z
LAST-MODIFIED:20260515T031146Z
UID:10000548-1815782400-1815868799@spacecalendar.com
SUMMARY:16th Anniversary of Acceleration\, Reconnection\, Turbulence and Electrodynamics of the Moon’s Interaction with the Sun (ARTEMIS) P2 Entering Lunar Orbit
DESCRIPTION:NASA ARTEMIS P2 craft surpasses another full year in lunar orbit since 2011; 1 of 5 satellites launched 2007 to study Earth magnetosphere
URL:https://spacecalendar.com/event/acceleration-reconnection-turbulence-and-electrodynamics-of-the-moons-interaction-with-the-sun-artemis-p2-begins-next-year-in-space-2/
LOCATION:Earth-Moon L1 Lagrange point
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270720
DTEND;VALUE=DATE:20270721
DTSTAMP:20260613T133946
CREATED:20251024T201503Z
LAST-MODIFIED:20251024T201503Z
UID:10000538-1816041600-1816127999@spacecalendar.com
SUMMARY:International Moon Day (Annual)
DESCRIPTION:Celebrating the 1st people walking on the Moon / another celestial body – International Moon Day has been a recognized / endorsed declaration by the United Nations since 2022.
URL:https://spacecalendar.com/event/international-moon-day-annual-5/
LOCATION:Global / Inter-Global
CATEGORIES:Meeting / Conference / Symposium,Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270720
DTEND;VALUE=DATE:20270721
DTSTAMP:20260613T133946
CREATED:20251024T201504Z
LAST-MODIFIED:20251024T201504Z
UID:10000293-1816041600-1816127999@spacecalendar.com
SUMMARY:Viking 1 Mars Lander 51st Landing Observation Anniversary
DESCRIPTION:First USA spacecraft to successfully land on another planet commemorated today for its accomplishment 51 years ago; originally scheduled for July 4\, landing was delayed until this day in 1976 due to rough landing site.
URL:https://spacecalendar.com/event/viking-1-mars-lander-51st-landing-observation-anniversary/
LOCATION:Nationwide USA
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270720
DTEND;VALUE=DATE:20270721
DTSTAMP:20260613T133946
CREATED:20251024T201504Z
LAST-MODIFIED:20251024T201504Z
UID:10000296-1816041600-1816127999@spacecalendar.com
SUMMARY:Apollo 11\, 58th Observation
DESCRIPTION:First Human mission to land on Moon in 1969; 1st steps by humans on another World taken by Commander Neil Armstrong and Lunar Module Pilot Buzz Aldrin; Command Module piloted by Michael Collins.
URL:https://spacecalendar.com/event/apollo-11-58th-observation/
LOCATION:Global / Inter-Global
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270723
DTEND;VALUE=DATE:20270724
DTSTAMP:20260613T133946
CREATED:20251031T203627Z
LAST-MODIFIED:20260515T025519Z
UID:10000625-1816300800-1816387199@spacecalendar.com
SUMMARY:28th Anniversary of Chandra X-ray Observatory Launch
DESCRIPTION:NASA spacecraft in extended mission phase reaches 28th full year of operations in space; instruments able to detect X-ray sources 100 times fainter than any previous X-ray telescope; launched 1999.
URL:https://spacecalendar.com/event/chandra-x-ray-observatory-begins-next-year-in-space-2/
LOCATION:High Earth Orbit (HEO)
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270810
DTEND;VALUE=DATE:20270820
DTSTAMP:20260613T133946
CREATED:20251024T201504Z
LAST-MODIFIED:20251024T201504Z
UID:10000552-1817856000-1818719999@spacecalendar.com
SUMMARY:IAUGA2027: IAU General Assembly
DESCRIPTION:International Astronomical Union will post a dedicated website “soon”. The General Assembly is held every 3 years for astronomers worldwide and includes scientific sessions and administrative business.
URL:https://spacecalendar.com/event/iauga2027-iau-general-assembly/
LOCATION:Rome\, Italy
CATEGORIES:Meeting / Conference / Symposium
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20270812
DTEND;VALUE=DATE:20270813
DTSTAMP:20260613T133946
CREATED:20251024T201504Z
LAST-MODIFIED:20251024T201504Z
UID:10000295-1818028800-1818115199@spacecalendar.com
SUMMARY:Lucy Mission Flyby of 3548 Eurybates / Queta
DESCRIPTION:NASA mission to encounter 11 asteroids including a main belt and 7 Jupiter Trojans to come within 1\,000 km of 64-km diameter 3548 Eurybates asteroid and its 1-km diameter satellite Queta.
URL:https://spacecalendar.com/event/lucy-mission-flyby-of-3548-eurybates-queta/
LOCATION:Jupiter Greek camp at Lagrangian point L4
CATEGORIES:Space Event / Encounter
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