Mission type | Technology demonstration |
---|---|
Operator | ispace |
COSPAR ID | 2022-168A |
SATCAT no. | 54696 |
Website | ispace-inc |
Spacecraft properties | |
Spacecraft | Hakuto-R M1 |
Spacecraft type | Lunar lander |
Manufacturer | ispace |
Launch mass | 1,000 kg (2,200 lb) |
Dry mass | 340 kg (750 lb) |
Start of mission | |
Launch date | 11 December 2022, 07:38 UTC |
Rocket | Falcon 9 B1073.5 |
Launch site | CCSFS, SLC-40 |
Contractor | SpaceX |
End of mission | |
Last contact | 25 April 2023, 16:40 UTC |
Moon lander | |
Landing site | Atlas crater (attempted). 47°34′52″N44°05′38″E / 47.581°N 44.094°E |
Hakuto-R Mission 1 patch |
Hakuto-R Mission 1 was a failed private Japanese uncrewed lunar landing mission built and operated by ispace, which was launched in December 2022 for an attempted lunar landing in April 2023.
This first Hakuto mission was primarily a technology demonstrator and carried the Emirates Lunar Mission. [1] Travelling approximately 1,400,000 kilometres (870,000 mi), it is the furthest a privately-funded spacecraft has traveled. [2] Communication with the lander was lost during the final seconds of its April 2023 descent. [3]
The project began with engineer Andrew Barton in 2008, who sought to win the Google Lunar X Prize by landing a privately-funded rover on the Moon, and gathered an international group of professionals to create White Label Space. [3] Takeshi Hakamada would found ispace in 2010 as a Japanese branch of White Label Space. [3] Many of the professionals abandoned the project by 2013, though a group of Japanese members sought to continue with the project, which was renamed from White Label Space to Hakuto, based on the white Hare of Inaba in Japanese mythology. [3] [4] By 2017, ispace had secured $90 million in funding and though no teams in the Google Lunar X Prize ever launched before the 2018 deadline, the Hakuto team would continue. [3] In April 2022, iSpace was placed on the Tokyo Stock Exchange, receiving a 65% increase in its share price within two weeks. [3]
The Hakuto-R lander was measured at 2.3 metres (7.5 ft) tall by 2.6 metres (8.5 ft) wide, with a total weight of approximately 1,000 kilograms (2,200 lb) with its payload and fuel. [5] To perform a stable landing, the lander was equipped with four landing legs and a main thruster. [5]
Hakuto-R Mission 1 was launched on 11 December 2022 aboard a Falcon 9 rocket, [6] separating from the rocket 47 minutes later at a distance around 970 kilometres (600 mi) away from Earth. [3] Inside the spacecraft were payloads from the Emirates Lunar Mission rover Rashid in a partnership with the Mohammed bin Rashid Space Centre (MBRSC), along with Tomy and JAXA's Sora-Q transformable lunar robot. [2] [7] [8] The lander also housed another payload, a music disc featuring the song ‘SORATO’ by the Japanese rock band Sakanaction, which was initially released in 2018 as a part of the Team Hakuto campaign for the Google Lunar X Prize. [9]
Using data collected from a previous lunar scanning mission, ispace determined that the mission would attempt a landing in the Atlas crater in the Mare Frigoris region of the Moon; three other backup locations were selected, like those in Lacus Somniorum, Sinus Iridum and Oceanus Procellarum, among others. [5] [10] In an effort to conserve fuel, the mission used a slower path to approach the Moon, entering lunar orbit in March 2023. [5]
After a five-month travel time, the mission traveled 1,400,000 kilometres (870,000 mi), further than any privately-funded spacecraft, to attempt a lunar landing on 25 April 2023. [2] [11]
During the official live-stream, [12] among the four possible landing locations, the site in Lacus Somniorum was initially shown in the animation, saying it was based on real-time telemetry from the lander; that later turned out to be misleading, since the telemetry coming from the lander was not reliable, and the actual attempted landing site was near Atlas crater, as had been decided initially. [13] [14] [15]
Communication with the lander was lost during the final moments of descent to the lunar surface at 16:40 UTC (00:40 JST) on 25 April. [3] Analysis determined that the lander plummeted uncontrollably when the propellant was exhausted. This happened because the onboard computer wrongly assumed the radar altimeter was faulty, and ignoring its data, misjudged the actual altitude of the spacecraft and kept hovering 5km above the surface of the Moon. [3] [16] [17] [18]
The crash site was later identified by the NASA Lunar Reconnaissance Orbiter team. [13]
Atlas is a prominent lunar impact crater that is located in the northeast part of the Moon, to the southeast of Mare Frigoris. Just to the west is the slightly smaller but still prominent crater Hercules. Northeast of Atlas is the large crater Endymion.
A Moon landing or lunar landing is the arrival of a spacecraft on the surface of the Moon, including both crewed and robotic missions. The first human-made object to touch the Moon was Luna 2 in 1959.
A lunar lander or Moon lander is a spacecraft designed to land on the surface of the Moon. As of 2024, the Apollo Lunar Module is the only lunar lander to have ever been used in human spaceflight, completing six lunar landings from 1969 to 1972 during the United States' Apollo Program. Several robotic landers have reached the surface, and some have returned samples to Earth.
A rover is a planetary surface exploration device designed to move over the rough surface of a planet or other planetary mass celestial bodies. Some rovers have been designed as land vehicles to transport members of a human spaceflight crew; others have been partially or fully autonomous robots. Rovers are typically created to land on another planet via a lander-style spacecraft, tasked to collect information about the terrain, and to take crust samples such as dust, soil, rocks, and even liquids. They are essential tools in space exploration.
Hakuto (ハクト) or formerly White Label Space (ホワイトレーベルスペース) was a team formed in early 2008 by a group of experienced space professionals inspired by the challenge of the Google Lunar X PRIZE to develop a robotic Moon exploration mission.
A lunar rover or Moon rover is a space exploration vehicle designed to move across the surface of the Moon. The Apollo program's Lunar Roving Vehicle was driven on the Moon by members of three American crews, Apollo 15, 16, and 17. Other rovers have been partially or fully autonomous robots, such as the Soviet Union's Lunokhods, Chinese Yutus, Indian Pragyan, and Japan's LEVs. Five countries have had operating rovers on the Moon: the Soviet Union, the United States, China, India, and Japan.
The (Japanese) Lunar Exploration Program is a program of robotic and human missions to the Moon undertaken by the Japanese Aerospace Exploration Agency (JAXA) and its division, the Institute of Space and Astronautical Science (ISAS). It is also one of the three major enterprises of the JAXA Space Exploration Center (JSPEC). The main goal of the program is "to elucidate the origin and evolution of the Moon and utilize the Moon in the future".
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ispace Inc. is a publicly traded Japanese company developing robotic spacecraft and other technology to compete for both transportation and exploration mission contracts from space agencies and other private industries. ispace's mission is to enable its clients to discover, map, and use natural lunar resources.
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