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This is the timeline of known spaceflights, both crewed and uncrewed, sorted chronologically by launch date. Owing to its large size, the timeline is split into smaller articles, one for each year since 1951. There is a separate list for all flights that occurred before 1951.
The 2023 list and lists for subsequent years contain planned launches, but statistics only include past launches.
For the purpose of these lists, a spaceflight is defined as any flight that crosses the Kármán line, the FAI-recognized edge of space, which is 100 kilometres (62 miles) above mean sea level (AMSL). The timeline contains all flights which have crossed the edge of space, were intended to do so but failed, or are planned in the near future. Significant test flights of spaceflight systems may be listed even if they were not planned to reach space. Some lists are further divided into orbital launches (sending a payload into orbit, whether successful or not) and suborbital flights (e.g. ballistic missiles, sounding rockets, experimental spacecraft).
Graphs are unavailable due to technical issues.
Extracted from launch data.
|26 December 2030||Lucy||Third gravity assist at Earth||Target altitude 660 km|
|July 2031||Hayabusa2||Arrival at asteroid 1998 KY26|
|July 2031||JUICE||Flyby of Ganymede|
|July 2031||JUICE||Jupiter orbit insertion|
|July 2032||JUICE||Flyby of Europa|
|2 March 2033||Lucy||Flyby of binary asteroid 617 Patroclus-Menoetius||Target altitude 1000 km|
|December 2034||JUICE||Ganymede orbit insertion||Planned first orbit of a moon other than Earth's|
The year 1967 in spaceflight saw the most orbital launches of the 20th century and more than any other year until 2021, including that of the first Australian satellite, WRESAT, which was launched from the Woomera Test Range atop an American Sparta rocket. The United States National Space Science Data Center catalogued 172 spacecraft placed into orbit by launches which occurred in 1967.
Japan and China each launched their first satellites in 1970, bringing the total number of nations with independent launch capability to five.
Luna 1 was the first spacecraft to leave the gravitational influence of Earth. Also in 1959, Luna 2 was the first spacecraft to reach the surface of another celestial body, impacting the Moon, and Luna 3 returned the first images of the far side of the Moon.
Explorer 1 was the first American satellite to reach orbit on 31 January 1958.
1972 saw humanity's last crewed mission to the Moon of the 20th century, Apollo 17.
The following outline is provided as an overview of and topical guide to space exploration.
1973 saw the launch of the first American Space station known as Skylab on a Saturn rocket.
The following is an outline of 1983 in spaceflight.
This article outlines notable events occurring in 1994 in spaceflight, including major launches and EVAs.
On March 29, 1974 Mariner 10 became the first spacecraft to fly by Mercury, that saw a spacecraft for the first and last time in the 20th century.
Spaceflight in 1977 included some important events such as the roll out of the Space Shuttle orbiter, Voyager 1 and Voyager space probes were launched. NASA received the Space Shuttle orbiter later named Enterprise, on 14 January. This unpowered sub-orbital space plane was launched off the top of a modified 747 and was flown uncrewed until 13 August until a human crew landed the Enterprise for the first time.
In 1975 several notable events happened in spaceflight such as the launch and arrival at Venus of Venera 9 and 10, the launch to Mars of the Viking orbiter/landers missions, the joint Apollo–Soyuz Test Project, and the launch of satellite Aryabhatta.
1978 saw the launch of the Pioneer Venus missions launched by the United States, on 20 May and 8 August. The Pioneer Venus Multiprobe landed four spacecraft on the planet, one of which transmitted data for 67 minutes before being destroyed by atmospheric pressure. ISEE-C, which was launched on 8 December, flew past comet 21P/Giacobini–Zinner in 1985, and Halley's Comet in 1986.
The following is an outline of 1987 in spaceflight.
This is a list of spaceflights launched between January and June 1963. For launches between July and December, see 1963 in spaceflight (July–December). For an overview of the whole year, see 1963 in spaceflight.
This is a list of spaceflights launched between July and September 1964. For launches in the rest of the year, see 1964 in spaceflight (January–March), 1964 in spaceflight (April–June) and 1964 in spaceflight (October–December). For an overview of the whole year, see 1964 in spaceflight.
This is a list of spaceflights launched between January and June 1961. For launches between July and December, see 1961 in spaceflight (July–December). For an overview of the whole year, see 1961 in spaceflight.
This is a list of spaceflights launched between July and December 1961. For launches between January and June, see 1961 in spaceflight (January–June). For an overview of the whole year, see 1961 in spaceflight.
This is a list of spaceflights launched between April and June 1962. For launches in the rest of the year, see 1962 in spaceflight (January–March), 1962 in spaceflight (July–September) and 1962 in spaceflight (October–December). For an overview of the whole year, see 1962 in spaceflight.
This article documents expected notable spaceflight events during the 2020s.