International Space Summit Africa

Pretoria, South Africa
Organizer: South African Radio Astronomy Observatory (SARAO)

Expecting 300 exhibitors, 500 companies, 25 countries, 3,000 B2B (business to business) meetings

Islamic New Year 1448 AH

Worldwide
Organizer:

New Year 1 Muharram (1st day) to begin at sunset on Jun 16; if young New Moon is not visible the beginning of the month and year may be delayed.

World Astronomy, Astrophysics and Space Science Summit

Rome, Italy
Organizer: Spaceland, Italy

Meeting is dedicated entirely to the latest developments in all Astronomy, Astrophysics and Space Science related themes. The conference will highlight particular areas of promising technological development, and support the unifying themes of all Astronomy, Astrophysics and Space Science. Don't miss the unique workshop, "Shaping Future Eco-Friendly Habitats for Mars […]

NET Jul — Hayabusa 2

Main Asteroid Belt
Organizer: Japan Aerospace Exploration Agency (JAXA)

Asteroid 98943 Torifune Flyby: JAXA Hayabusa 2 mission to flyby S-type asteroid 98943 Torifune this month and rendezvous with asteroid 1998 KY26 in 2031, after returning samples from (162173) Ryugu to Earth in 2020.

NET Q3 — Launch Falcon 9 / Intuitive Machines IM-3 Nova-C Lander

SLC-39A, Kennedy Space Center FL, USA
Organizer: SpaceX

NET Q3 — Under US$77.5M NASA CLPS contract, IM 3rd mission using Nova-C, to Reiner Gamma ‘lunar swirl’ 7.5°N, 59.0°W with 4 NASA payloads: Lunar Vertex, CADRE, MoonLIGHT retroreflector, LUSEM; various private payloads.

NET Q3 — Launch Long March 5 / Chang’E-7

Wenchang Space Launch Center, Hainan Island, China (19° N)
Organizer: China National Space Administration (CNSA)

CNSA to launch Long March 5 with Chang’E-7 lander from Wenchang Space Launch Center, Hainan Island, China (19° N); CE-7 planned to land at Moon South Pole to survey environment and resources with Relay Satellite, Orbiter, Lander (Rashid-2 from UAE), Rover, Mini-Flying Probe sometime in November 2026; lander has national […]

Tianwen-2

Near-Earth Object (NEO)
Organizer: China National Space Administration (CNSA)

Kamo’oalewa (2016 HO3) Rendezvous: China asteroid sample return mission, to arrive at Kamo’oalewa today to collect at least 100 grams via anchoring-drilling, hover-sampling and touch-and-go techniques; planned to depart Apr 24, 2027 and return to Earth Nov 29, 2027.

Space Age Publishing Company (SPC) 50th Observation

Global / Inter-Global
Organizer: Space Age Publishing Company (SPC)

Jul 5 — Space Age Publishing Company (SPC), Global / Inter-Global: SPC, publisher of Space Calendar and Lunar Enterprise Daily, observes 50 years since inception and looks towards the next 50 years of publishing-broadcasting from Earth, the surface of the Moon, and perhaps far beyond with its affiliated International Lunar Observatory Association and other enterprises.

Neil Armstrong Space Prizes to be Awarded

West Lafayette, Indiana
Organizer: Purdue University

Purdue University will bestow its newest honor – the Neil Armstrong Space Prize – upon those whose contributions to space in the preceding decade are deemed the most consequential for humanity. Prize recipients to be announced on or before July 20, 2026.

Viking 1 Mars Lander 50th Landing Observation Anniversary

Nationwide USA
Organizer: National Aeronautics and Space Administration (NASA)

First USA spacecraft to successfully land on another planet commemorated today for its accomplishment 50 years ago; originally scheduled for July 4, landing was delayed until this day in 1976 due to rough landing site.

International Moon Day (Annual)

Global / Inter-Global
Organizer: Moon Village Association (MVA)

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.

Parker Solar Probe Marks Another Year in Space

Heliocentric Orbit
Organizer: National Aeronautics and Space Administration (NASA)

NASA craft surpasses another full year in space today, having launched Aug 12, 2018; probe  came within ~6.16M km of the Sun on Dec 24, 2024 which is ~7 times closer than any prior spacecraft, traveling faster than any other human-made object at ~692,000 km/hr.

Chandrayaan-2 Marks Another Year in Lunar Orbit

Moon Orbit
Organizer: Indian Space Research Organisation (ISRO)

India orbiter surpasses another full year in lunar polar orbit since reaching the Moon in 2019; Chandrayaan-2 lander and rover were unsuccessful in lunar landing.

Chandrayaan-3 Commemorated for Moon Landing (2023)

Statio Shiv Shakti, 69.373°S 32.319°E, Moon Surface
Organizer: Indian Space Research Organisation (ISRO)

Chandrayaan-3 Vikram lander and Pragyan rover celebrated today after successfully landing on Moon in 2023; marking India as the 4th country to land on Moon, and 1st near the Moon South Pole.

40th Annual Small Satellite Conference

Salt Palace Convention Center, Salt Lake City UT, USA 100 South West Temple, Salt Lake City, UT, United States
Organizer: Small Satellite Conference

~5,000 attendees expected; student discount on registration fee; winners of student competition receive up to US$10,000

$1000

Van Allen Probes Mark Another Year in Space

Low Earth Orbit (LEO)
Organizer: National Aeronautics and Space Administration (NASA)

NASA spacecraft surpasses another full year in space today, launched 2012; adding to the understanding of Earth radiation belt environment and its variability.

Tentative Term End for Canadian Space Agency President Lisa Campbell

Ottawa, Canada , Canada
Organizer: Canadian Space Agency (CSA-ASC)

Campbell was first appointed in September 2020. She was reappointed for an additional year, 14 Sep 2025 - 14 Sep 2026. It is rare that a President of the Canadian Space Agency serves longer than a one-year term, and Campbell becomes only the third to complete a full five-year term. Past […]

Double Asteroid Redirection Test (DART) Anniversary Observation

Worldwide
Organizer: National Aeronautics and Space Administration (NASA)

Observed today is 1st planetary defense / asteroid deflection test success: NASA DART crashed into minor-planet moon Dimorphos of asteroid Didymos on this day in 2022, shortening Dimorphos’ orbital period.

Astrosat Marks Another Year in Space

Low Earth Orbit (LEO)
Organizer:

Indian Space Research Organisation (ISRO) first dedicated multi-wavelength space observatory surpasses another full year in space today, launched 2015.

World Space Week

Worldwide
Organizer: World Space Week Association

Celebrating international contributions of space science for betterment of the human condition; Oct 4 is 68th observation of 1st Space mission Sputnik One launched by Soviet Union 1957; Oct 10 is 58th observation of Outer Space Treaty going into effect 1967.

International Observe the Moon Night 2026

Worldwide
Organizer: International Observe the Moon Night Organization

For observation, appreciation, understanding of the Moon / its connection to planetary science / exploration; 1st quarter Moon is best time due to shallow angle of sunlight that illuminates details.

ExoMars 2016 Orbiter Marks Another Year in Mars Orbit

Mars Orbit
Organizer:

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).

Mars Odyssey Marks Another Year in Mars Orbit

Mars Orbit
Organizer:

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.

NET Nov — Chang’E-7 Attempts Lunar Landing Near Shackleton Crater

Organizer: China National Space Administration (CNSA)

CNSA attempts to land its Chang’E-7 lander near Shackleton Crater, Moon South Pole region; craft launched with Relay Satellite, Orbiter, Lander (Rashid-2 from UAE), Rover, Mini-Flying Probe; lander has national science payloads as well as 6 international instruments integrated: from Egypt, Bahrain, Italy, Russia, Switzerland, Thailand, and the International Lunar […]

NET Nov — BepiColombo, Hermocentric Orbit Insertion at Mercury

Organizer: ESA / JAXA

NET Nov — BepiColombo, Hermocentric Orbit Insertion at Mercury, Mercury Orbit: European Space Agency / JAXA Mercury Planetary Orbiter (MPO) and Mercury Magnetospheric Orbiter (MMO) expected to reach Mercury, achieve polar orbit and spacecraft separation; will map planet, investigate magnetosphere.

IAU Symposium 409: Innovative Research and Techniques in Astronomy Outreach

Tokyo, Japan
Organizer: International Astronomical Union (IAU)

Coordinating Division Division C Education, Outreach and Heritage The IAU Symposium on Innovative Research and Techniques in Astronomy Communication will take place from November 2 to 6, 2026, at the National Astronomical Observatory of Japan in Mitaka, Tokyo. The groundbreaking hybrid event will unite experts from astronomy and science communication, […]

IAU Symposium 409: Innovative Research and Techniques in Astronomy Outreach

Tokyo, Japan
Organizer: International Astronomical Union (IAU)

Coordinating Division Division C Education, Outreach and Heritage The IAU Symposium on Innovative Research and Techniques in Astronomy Communication will take place from November 2 to 6, 2026, at the National Astronomical Observatory of Japan in Mitaka, Tokyo. The groundbreaking hybrid event will unite experts from astronomy and science communication, […]

Swift Spacecraft Marks Another Year in Space

Low Earth Orbit (LEO)
Organizer:

Observing gamma-ray bursts & their afterglows in gamma-ray, X-ray, ultraviolet, optical wavelengths from LEO, multiwavelength craft surpasses another year of operations in space today, launched in 2004.

NET Dec — Launch Starship / Venturi Astrolab FLEX C

Organizer: SpaceX

SpaceX to launch Starship with Venturi Astrolab FLEX C rover from Starbase, Boca Chica TX. Flexible Logistics and Exploration (FLEX-C) rover to launch to Moon South Pole Region, with commercial payloads including the International Lunar Observatory Association's ILO-1 flagship instrument. ILO-1 will be providing Space Age's Space Calendar with weekly […]

Chang’E-5 Marks Another Year on Moon

Statio Tianchuan, 43° N 51.9° W, Moon Surface
Organizer:

China National Space Administration (CNSA) Chang'E-5 lander at Statio Tianchuan "ship sailing in the Milky Way", Mons Rümker, Oceanus Procellarum, Moon (43° N, 51.9° W), surpasses another full year on lunar surface today; landed on this day in 2020, with sample return launching from the Moon 2 days later.

Hayabusa 2 Marks Another Year in Space

Asteroid 98943 Torifune Trajectory
Organizer:

Japan Aerospace Exploration Agency (JAXA) Hayabusa surpasses another full year in space today; launched Dec 3, 2014, returned samples to Earth in 2020, and now in extended mission to flyby asteroid 98943 Torifune in 2026 and rendezvous with 1998 KY26 in 2031.

XMM-Newton Marks Another Year in Space

Low Earth Orbit (LEO)
Organizer:

European Space Agency (ESA) craft in Very Eccentric Elliptical LEO studying X-ray emissions, star-forming regions, galaxy clusters, environment of supermassive black holes, mapping dark matter, surpasses next full year in space today, launched 1999.

Chang’E-3 Lander Marks Another Year on Moon

Guang Han Gong, 44.12°N 19.51°W, Moon Surface
Organizer:

China National Space Administration (CNSA) spacecraft at Guang Han Gong "Moon Palace", Sinus Iridum / Mare Imbrium, 44.12°N 19.51°W, surpasses another full year on Moon surface, landed 2013.

WISE / NEOWISE Marks Another Year in Space

Low Earth Orbit (LEO)
Organizer:

NASA Wide-field Infrared Survey Explorer spacecraft (redubbed Near-Earth Object WISE – NEOWISE) surpasses another full year in space today; launched 2009, went into hibernation February 17, 2011 and reactivated August 21, 2013.