This article documents notable spaceflight events during the year 2019.

Overview

Lunar exploration

The Chinese probe

Chang'e 4 Chang'e 4 (; ) is a robotic spacecraft mission, part of the second phase of the Chinese Lunar Exploration Program. China achieved humanity's first soft landing on the far side of the Moon, on 3 January 2019. A communication relay satellite, ...

made humanity's first soft landing on the

far side of the Moon The far side of the Moon is the lunar hemisphere that always faces away from Earth, opposite to the Near side of the Moon, near side, because of synchronous rotation in the Moon's orbit. Compared to the near side, the far side's terrain is ru ...

on 3 January and released its Yutu 2 rover to explore the lunar surface on the far side for the first time in human history.

Israel Israel (; he, יִשְׂרָאֵל, ; ar, إِسْرَائِيل, ), officially the State of Israel ( he, מְדִינַת יִשְׂרָאֵל, label=none, translit=Medīnat Yīsrāʾēl; ), is a country in Western Asia. It is situated ...

SpaceIL SpaceIL is an Israeli organization, established in 2011, that competed in the Google Lunar X Prize (GLXP) contest to land a spacecraft on the Moon. SpaceIL successfully launched its '' Beresheet'' lander on 22 February 2019 at 01:45 UTC; it en ...

, one of the participants in the expired

Google Lunar X Prize The Google Lunar XPRIZE (GLXP), sometimes referred to as Moon 2.0, was a 2007–2018 inducement prize space competition organized by the X Prize Foundation, and sponsored by Google. The challenge called for privately funded teams to be th ...

, launched the first private mission to the Moon in February. The ''

Beresheet ''Beresheet'' ( he, בְּרֵאשִׁית, ''Bərēšīṯ'', "In the beginning"; Book of Genesis) was a demonstrator of a small robotic lunar lander and lunar probe operated by SpaceIL and Israel Aerospace Industries. Its aims included insp ...

'' lander from

made the landing attempt in April, but crashed onto the Moon. India launched the delayed

Chandrayaan-2 Chandrayaan-2 (, ; ) is the second lunar exploration mission developed by the Indian Space Research Organisation (ISRO), after Chandrayaan-1. It consists of a lunar orbiter, and also included the ''Vikram'' lander, and the ''Pragyan'' lunar ...

lunar orbiter/lander/rover in July; the orbiter reached lunar orbit in September, but the Vikram lander crashed onto the lunar surface.

Exploration of the Solar System

The probe

New Horizons ''New Horizons'' is an Interplanetary spaceflight, interplanetary space probe that was launched as a part of NASA's New Frontiers program. Engineered by the Johns Hopkins University Applied Physics Laboratory (APL) and the Southwest Research ...

encountered the

Kuiper belt The Kuiper belt () is a circumstellar disc in the outer Solar System, extending from the orbit of Neptune at 30 astronomical units (AU) to approximately 50 AU from the Sun. It is similar to the asteroid belt, but is far larger—20 times ...

object

486958 Arrokoth Arrokoth (minor-planet designation 486958 Arrokoth; provisional designation ), formerly nicknamed Ultima Thule, is a trans-Neptunian object located in the Kuiper belt. Arrokoth became the farthest and most primitive object in the Solar System ...

on 1 January. This is the farthest object from the Sun ever to have a close encounter with a spacecraft. The Japanese asteroid exploration mission

Hayabusa2 is an asteroid sample-return mission operated by the Japanese state space agency JAXA. It is a successor to the ''Hayabusa'' mission, which returned asteroid samples for the first time in June 2010. ''Hayabusa2'' was launched on 3 December 2 ...

made a second touchdown with

162173 Ryugu 162173 Ryugu, provisional designation , is a near-Earth object and a potentially hazardous asteroid of the Apollo group. It measures approximately in diameter and is a dark object of the rare spectral type Cb, with qualities of both a C-type ...

to collect samples, and departed for Earth on 12 November. NASA declared the Mars rover ''Opportunitys mission over on 13 February. The

InSight Insight is the understanding of a specific cause and effect within a particular context. The term insight can have several related meanings: *a piece of information *the act or result of understanding the inner nature of things or of seeing intu ...

lander observed the first recorded

Marsquake A marsquake is a quake which, much like an earthquake, would be a shaking of the surface or interior of the planet Mars as a result of the sudden release of energy in the planet's interior, such as the result of plate tectonics, which most quakes ...

in April.

Human spaceflight

The first

Commercial Crew Development Development of the Commercial Crew Program began in the second round of the Commercial Crew Development (CCDev) program, which was rescoped from a technology development program for human spaceflight to a competitive development program that woul ...

test missions flew this year, aiming to restore

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

human spaceflight capability following

Space Shuttle The Space Shuttle is a retired, partially reusable low Earth orbital spacecraft system operated from 1981 to 2011 by the U.S. National Aeronautics and Space Administration (NASA) as part of the Space Shuttle program. Its official program na ...

retirement in 2011. In an uncrewed test flight,

SpaceX Space Exploration Technologies Corp. (SpaceX) is an American spacecraft manufacturer, launcher, and a satellite communications corporation headquartered in Hawthorne, California. It was founded in 2002 by Elon Musk with the stated goal of ...

SpaceX Dragon 2 Dragon 2 is a class of partially reusable spacecraft developed and manufactured by American aerospace manufacturer SpaceX, primarily for flights to the International Space Station (ISS). SpaceX has also launched Private spaceflight, private m ...

successfully flew on a

Falcon 9 Falcon 9 is a partially reusable medium lift launch vehicle that can carry cargo and crew into Earth orbit, produced by American aerospace company SpaceX. The rocket has two stages. The first (booster) stage carries the second stage and payl ...

to the

International Space Station The International Space Station (ISS) is the largest modular space station currently in low Earth orbit. It is a multinational collaborative project involving five participating space agencies: NASA (United States), Roscosmos (Russia), JAXA ...

on 3 March 2019; the crewed mission was delayed when the recovered capsule exploded during testing on 20 April.

Boeing The Boeing Company () is an American multinational corporation that designs, manufactures, and sells airplanes, rotorcraft, rockets, satellites, telecommunications equipment, and missiles worldwide. The company also provides leasing and product ...

CST-100 Starliner The Boeing CST-100 Starliner
is a class of two partially

Atlas V Atlas V is an expendable launch system and the fifth major version in the Atlas (rocket family), Atlas launch vehicle family. It was originally designed by Lockheed Martin, now being operated by United Launch Alliance (ULA), a joint venture be ...

on 20 December, but an anomaly during launch meant that it could not reach the ISS and had to land only 2 days later.

Rocket innovation

At the beginning of the year, around 100

small satellite A small satellite, miniaturized satellite, or smallsat is a satellite of low mass and size, usually under . While all such satellites can be referred to as "small", different classifications are used to categorize them based on mass. Satellites ca ...

launchers were in active use, in development, or were recently cancelled or stalled. Three Chinese manufacturers launched their first orbital rocket in 2019: The maiden flight of OS-M1 in March failed to reach orbit, the maiden flights of

Hyperbola-1 i-Space ( zh, s=星际荣耀, p=xīngjì róngyào, l=Interstellar Glory)—also known as Space Honor, Beijing Interstellar Glory Space Technology Ltd., Interstellar Glory or StarCraft Glory—is a Chinese private space technology developmen ...

in July and of Jielong 1 in August were successful. The PSLV-DL and PSLV-QL variants of the Indian PSLV first flew in January and April respectively. SpaceX began testing of the

SpaceX Starship Starship is a Fully-reusable orbital launch vehicle, fully reusable, super heavy-lift launch vehicle under development by SpaceX, an American aerospace company. With more than twice the thrust of the Saturn V, it is designed to be the most powe ...

in 2019, with an uncrewed prototype "Starhopper" flying 150m in the air in a suborbital test flight on 27 August. The

heavy-lift An airlift is the organized delivery of supplies or personnel primarily via military transport aircraft. Airlifting consists of two distinct types: strategic and tactical. Typically, strategic airlifting involves moving material long distanc ...

Long March 5 Long March 5 (LM-5; zh, s=长征五号 , p=Chángzhēng wǔ hào), or Changzheng 5 (CZ-5), and also by its nickname "''Pang-Wu''" (胖五, "''Fat-Five''"), is a Chinese heavy-lift launch vehicle developed by the China Academy of Launch Vehicle ...

made its return to flight in December, more than two years after the July 2017 launch failure that grounded the vehicle and forced an engine redesign. The "single stick"

Delta IV Delta IV is a group of five expendable launch systems in the Delta (rocket family), Delta rocket family introduced in the early 2000s. Originally designed by Boeing's Defense, Space and Security division for the National Security Space Launch, ...

was retired in August, and the analog-controlled

Soyuz-FG The Soyuz-FG launch vehicle was an improved version of the Soyuz-U from the R-7 family of rockets, designed and constructed by TsSKB-Progress in Samara, Russia. Guidance, navigation, and control system was developed and manufactured by "Polisv ...

was retired in September. Due to Ukraine banning control system exports to Russia,

Rokot Rokot (russian: Рокот meaning ''Rumble'' or ''Boom''), also transliterated Rockot, was a Russian space launch vehicle that was capable of launching a payload of into a Earth orbit with 63° inclination. It was based on the UR-100N (SS-1 ...

was retired after a final flight in December.

Orbital launches

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