BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Space Calendar - ECPv6.17.4//NONSGML v1.0//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:Space Calendar
X-ORIGINAL-URL:https://spacecalendar.com
X-WR-CALDESC:Events for Space Calendar
REFRESH-INTERVAL;VALUE=DURATION:PT1H
X-Robots-Tag:noindex
X-PUBLISHED-TTL:PT1H
BEGIN:VTIMEZONE
TZID:Pacific/Honolulu
BEGIN:STANDARD
TZOFFSETFROM:-1000
TZOFFSETTO:-1000
TZNAME:HST
DTSTART:20260101T000000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTART;VALUE=DATE:20271004
DTEND;VALUE=DATE:20271005
DTSTAMP:20260810T222901Z
CREATED:20260810T222901Z
LAST-MODIFIED:20260810T222901Z
UID:10001429-1822608000-1822694399@spacecalendar.com
SUMMARY:70th Anniversary: First-Ever Satellite Launched to Space (Sputnik 1)
DESCRIPTION:In 1957 the Soviet Union launched the Sputnik 1 mission which became the first artificial Earth satellite and launched humankind into the Space Age. It was launched into an elliptical low Earth orbit by the Soviet Union on 4 October. \n\n\n\nSize and Weight: It was a metal sphere about 23 inches (58 cm) wide\, roughly the size of a beach ball\, and weighed 184 pounds (83.6 kg).\n\n\n\n\nOrbit Time: It took about 96 to 98 minutes to complete one full trip around the Earth.\n\n\n\n\nMission: It sent simple radio beep signals back to Earth for three weeks before its batteries died.\n\n\n\n\nEnd of Life: It stayed in orbit for three months and burned up when it fell back into Earth’s atmosphere on January 4\, 1958.
URL:https://spacecalendar.com/event/70th-anniversary-first-ever-satellite-launched-to-space-sputnik-1/
LOCATION:Worldwide
CATEGORIES:Observation / Anniversary
ATTACH;FMTTYPE=image/jpeg:https://spacecalendar.com/wp-content/uploads/2026/08/Sputnik.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20271010
DTEND;VALUE=DATE:20271011
DTSTAMP:20260810T225116Z
CREATED:20260810T225116Z
LAST-MODIFIED:20260810T225116Z
UID:10001433-1823126400-1823212799@spacecalendar.com
SUMMARY:60th Anniversary of the Outer Space Treaty
DESCRIPTION:On October 10\, 1967 the Outer Space Treaty went into effect – establishing the foundational legal framework for international space law and peaceful exploration. \nKey Rules of the Treaty:\n\n\nNo Weapons of Mass Destruction: Bans placing nuclear weapons or other destructive weapons in Earth’s orbit or on celestial bodies.\n\n\n\n\nPeaceful Use Only: Limits the use of the Moon and other space bodies strictly to peaceful purposes.\n\n\n\n\nNo Territorial Claims: Prohibits any nation from claiming sovereignty or ownership over space or celestial bodies.\n\n\n\n\nGlobal Benefit: Declares that space exploration should be carried out for the benefit of all countries and humanity.
URL:https://spacecalendar.com/event/60th-anniversary-of-the-outer-space-treaty/
LOCATION:Global / Inter-Global
CATEGORIES:Observation / Anniversary
ATTACH;FMTTYPE=image/jpeg:https://spacecalendar.com/wp-content/uploads/2026/08/Outer-Space-Treaty.jpg
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20271014
DTEND;VALUE=DATE:20271015
DTSTAMP:20260730T201320Z
CREATED:20251024T200728Z
LAST-MODIFIED:20260730T201320Z
UID:10000461-1823472000-1823558399@spacecalendar.com
SUMMARY:6 Years in Space: Chinese H-alpha Solar Explorer (CHASE)
DESCRIPTION:First solar observatory for China known as CHASE or Xihe / 羲和 surpasses another full year in space since launching on this day via Long March 2D in 2021.
URL:https://spacecalendar.com/event/chinese-h-alpha-solar-explorer-chase-begins-next-year-in-space/
LOCATION:Sun-Synchronous Orbit (SSO)
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20271014
DTEND;VALUE=DATE:20271015
DTSTAMP:20260730T201320Z
CREATED:20260704T000551Z
LAST-MODIFIED:20260730T201320Z
UID:10001367-1823472000-1823558399@spacecalendar.com
SUMMARY:7 Years in Space: Chinese H-alpha Solar Explorer (CHASE)
DESCRIPTION:First solar observatory for China known as CHASE or Xihe / 羲和 surpasses another full year in space since launching on this day via Long March 2D in 2021.
URL:https://spacecalendar.com/event/7-years-in-space-chinese-h-alpha-solar-explorer-chase/
LOCATION:Sun-Synchronous Orbit (SSO)
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20271016
DTEND;VALUE=DATE:20271017
DTSTAMP:20260730T201240Z
CREATED:20251024T200728Z
LAST-MODIFIED:20260730T201240Z
UID:10000465-1823644800-1823731199@spacecalendar.com
SUMMARY:6 Years in Space: Lucy Spacecraft
DESCRIPTION:NASA craft reaches 6 full years in Space\, about mid-way through planned 12-year mission to encounter 11 different asteroids.
URL:https://spacecalendar.com/event/lucy-mission-reaches-6-full-years-in-space/
LOCATION:Jupiter Greek camp at Lagrangian point L4
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20271017
DTEND;VALUE=DATE:20271018
DTSTAMP:20260730T201240Z
CREATED:20251024T200727Z
LAST-MODIFIED:20260730T201240Z
UID:10000459-1823731200-1823817599@spacecalendar.com
SUMMARY:25 Years in Space: INTErnational Gamma-Ray Astrophysics Laboratory (INTEGRAL)
DESCRIPTION:Detecting some of the most energetic radiation in space\, ESA\, NASA\, Roscosmos spacecraft surpasses another year of operations in space\, despite loss of its thrusters; launched 2002\, expected to run out of fuel early 2020s and fall to Earth Feb 2029.
URL:https://spacecalendar.com/event/international-gamma-ray-astrophysics-laboratory-integral-3/
LOCATION:Low Earth Orbit (LEO)
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20271019
DTEND;VALUE=DATE:20271020
DTSTAMP:20260730T201240Z
CREATED:20251024T200727Z
LAST-MODIFIED:20260730T201240Z
UID:10000455-1823904000-1823990399@spacecalendar.com
SUMMARY:19 Years in Space: Interstellar Boundary Explorer (IBEX)
DESCRIPTION:NASA spacecraft mapping boundary between the Solar System and interstellar space surpasses another full year in space; launched on this day 2008.
URL:https://spacecalendar.com/event/interstellar-boundary-explorer-ibex-begins-next-year-in-space-3/
LOCATION:High Earth Orbit (HEO)
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20271019
DTEND;VALUE=DATE:20271020
DTSTAMP:20260730T201240Z
CREATED:20251024T200727Z
LAST-MODIFIED:20260730T201240Z
UID:10000457-1823904000-1823990399@spacecalendar.com
SUMMARY:11 Years at Mars: ExoMars 2016 Orbiter
DESCRIPTION:European Space Agency (ESA) and Roscosmos spacecraft surpasses another full year at Mars\, launched 2016; craft continues collecting data on atmosphere\, deployed Schiaparelli demonstration lander 19 Oct 2016 (unsuccessful).
URL:https://spacecalendar.com/event/exomars-2016-orbiter-begins-next-year-in-mars-orbit-3/
LOCATION:Mars Orbit
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20271020
DTEND;VALUE=DATE:20271021
DTSTAMP:20260730T201240Z
CREATED:20251024T200727Z
LAST-MODIFIED:20260730T201240Z
UID:10000453-1823990400-1824076799@spacecalendar.com
SUMMARY:9 Years in Space: BepiColombo (Mercury Planetary Orbiter and Mercury Magnetospheric Orbiter)
DESCRIPTION:European Space Agency / JAXA Mercury Planetary Orbiter (MPO) and Mercury Magnetospheric Orbiter (dubbed Mio ‘waterway or fairway’) surpasses another full year in space today\, launched 2018; expected to reach Mercury polar orbit in Nov 2026 to map planet\, investigate magnetosphere.
URL:https://spacecalendar.com/event/bepicolombo-mercury-planetary-orbiter-and-mercury-magnetospheric-orbiter-begins-next-year-in-space-3/
LOCATION:Mercury Trajectory
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20271024
DTEND;VALUE=DATE:20271025
DTSTAMP:20260730T201240Z
CREATED:20251024T200726Z
LAST-MODIFIED:20260730T201240Z
UID:10000449-1824336000-1824422399@spacecalendar.com
SUMMARY:26 Years in Mars Orbit: Mars Odyssey
DESCRIPTION: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 than Earth; launched 2001.
URL:https://spacecalendar.com/event/mars-odyssey-begins-next-year-in-mars-orbit-3/
LOCATION:Mars Orbit
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20271026
DTEND;VALUE=DATE:20271027
DTSTAMP:20260730T201240Z
CREATED:20251024T200726Z
LAST-MODIFIED:20260730T201240Z
UID:10000447-1824508800-1824595199@spacecalendar.com
SUMMARY:21 Years in Space: Solar Terrestrial Relations Observatory (STEREO A & B)
DESCRIPTION:NASA craft imaging Sun and solar phenomena surpasses another full year in space today; launched 2006.
URL:https://spacecalendar.com/event/solar-terrestrial-relations-observatory-stereo-a-b-mark-another-year-in-space-3/
LOCATION:Heliocentric Orbit
CATEGORIES:Observation / Anniversary
END:VEVENT
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