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:20250101T000000
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END:VTIMEZONE
BEGIN:VEVENT
DTSTART;VALUE=DATE:20261004
DTEND;VALUE=DATE:20261005
DTSTAMP:20260810T222905Z
CREATED:20260810T221848Z
LAST-MODIFIED:20260810T222905Z
UID:10001428-1791072000-1791158399@spacecalendar.com
SUMMARY:69th 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/69th-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:20261010
DTEND;VALUE=DATE:20261011
DTSTAMP:20260810T224959Z
CREATED:20260810T224959Z
LAST-MODIFIED:20260810T224959Z
UID:10001432-1791590400-1791676799@spacecalendar.com
SUMMARY:59th 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/59th-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:20261014
DTEND;VALUE=DATE:20261015
DTSTAMP:20260730T201335Z
CREATED:20251024T201459Z
LAST-MODIFIED:20260730T201335Z
UID:10000489-1791936000-1792022399@spacecalendar.com
SUMMARY:5 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-6/
LOCATION:Sun-Synchronous Orbit (SSO)
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20261016
DTEND;VALUE=DATE:20261017
DTSTAMP:20260730T201335Z
CREATED:20260714T024512Z
LAST-MODIFIED:20260730T201335Z
UID:10001392-1792108800-1792195199@spacecalendar.com
SUMMARY:5 Years in Space: Lucy Spacecraft
DESCRIPTION:NASA craft reaches 5 full years in space during planned 12-year mission to encounter 11 different asteroids.
URL:https://spacecalendar.com/event/5-years-in-space-lucy-spacecraft/
LOCATION:Jupiter Greek camp at Lagrangian point L4
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20261017
DTEND;VALUE=DATE:20261018
DTSTAMP:20260730T201335Z
CREATED:20251024T201459Z
LAST-MODIFIED:20260730T201335Z
UID:10000487-1792195200-1792281599@spacecalendar.com
SUMMARY:24 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-2/
LOCATION:Low Earth Orbit (LEO)
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20261019
DTEND;VALUE=DATE:20261020
DTSTAMP:20260730T201335Z
CREATED:20251024T201459Z
LAST-MODIFIED:20260730T201335Z
UID:10000250-1792368000-1792454399@spacecalendar.com
SUMMARY:18 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-2/
LOCATION:High Earth Orbit (HEO)
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20261019
DTEND;VALUE=DATE:20261020
DTSTAMP:20260730T201335Z
CREATED:20251024T201459Z
LAST-MODIFIED:20260730T201335Z
UID:10000485-1792368000-1792454399@spacecalendar.com
SUMMARY:10 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-2/
LOCATION:Mars Orbit
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20261020
DTEND;VALUE=DATE:20261021
DTSTAMP:20260730T201335Z
CREATED:20251024T201459Z
LAST-MODIFIED:20260730T201335Z
UID:10000249-1792454400-1792540799@spacecalendar.com
SUMMARY:8 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-2/
LOCATION:Mercury Trajectory
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20261024
DTEND;VALUE=DATE:20261025
DTSTAMP:20260730T201335Z
CREATED:20251024T201459Z
LAST-MODIFIED:20260730T201335Z
UID:10000248-1792800000-1792886399@spacecalendar.com
SUMMARY:25 Years at Mars: 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-2/
LOCATION:Mars Orbit
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20261025
DTEND;VALUE=DATE:20261026
DTSTAMP:20260730T201335Z
CREATED:20260130T000622Z
LAST-MODIFIED:20260730T201335Z
UID:10000978-1792886400-1792972799@spacecalendar.com
SUMMARY:Standard Time (Europe) Begins
DESCRIPTION:Change clocks back 1 hour\, from Summer Time to Standard Time.
URL:https://spacecalendar.com/event/standard-time-europe-begins/
LOCATION:Europe
CATEGORIES:Observation / Anniversary
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20261026
DTEND;VALUE=DATE:20261027
DTSTAMP:20260730T201335Z
CREATED:20251024T201459Z
LAST-MODIFIED:20260730T201335Z
UID:10000247-1792972800-1793059199@spacecalendar.com
SUMMARY:20 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-2/
LOCATION:Heliocentric Orbit
CATEGORIES:Observation / Anniversary
END:VEVENT
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