[6][8][11] The project has baselined any of multiple refueling capabilities; the asteroid-specific payload is at one end of the bus, for possible removal and replacement via future servicing, or as a separable spacecraft, leaving a qualified space tug in cislunar space. [6][11][8][14][15][16], Not only would the solar electric propulsion (SEP) technologies and designs be applied to future missions, but the ARRM spacecraft would be left in a stable orbit for reuse. [63], In May 2016, ASI (the Italian Space Agency) agreed to a joint study, and possible Italian participation. [24] Other candidate parent asteroids were Itokawa, Bennu, and Ryugu. [6][52] However, existing flight-qualified solar-electric propulsion is at levels of 1–5 kW. [28][58] NASA officials emphasized that ARM was intended as one step in the long-term plans for a human mission to Mars. The Psyche mission will explore one of the most intriguing targets in the main asteroid belt – a giant metal asteroid, known as 16 Psyche, about three times farther away from the sun than is the Earth. [28] These new technologies would help send the large amounts of cargo, habitats, and propellant to Mars in advance of a human mission to Mars[31] and/or Phobos. [48] The spacecraft concept would have a dry mass of 5.5 tons, and could store up to 13 tons of xenon propellant. [8][9][10][11][12], Space tug missions, to disaggregate non-time-critical Mars logistics from crew, can reduce the costs by as much as 60% (if using advanced solar electric propulsion (ion engines)[13]) and reduces overall mission risk by enabling on-site check-out of critical systems before the crew departs. How Will NASA's Asteroid Redirect Mission Help Humans Reach Mars? [4] On June 13, 2017 NASA announced a "closeout phase" following the defund. NASA steals bits of asteroid Bennu: What you need to know about the mission. "NASA Announces Next Steps on Journey to Mars: Progress on Asteroid Initiative", "Obama Seeks $17.7 Billion for NASA to Lasso Asteroid, Explore Space", "What Is NASA's Asteroid Redirect Mission? [11][21][22][23] This is more so if an Exploration Augmentation Module (EAM) is brought for extended human stays, possibly by an ARRM-like SEP module. [13] Hall effect thrusters trap electrons in a magnetic field and use them to ionize the onboard xenon gas propellant. https://www.nasa.gov/content/what-is-nasa-s-asteroid-redirect-mission [46] Once the boulder is secured, the legs would push off and provide an initial ascent without the use of thrusters. [48] It would use the Hall-effect, which provides low acceleration but can fire continuously for many years to thrust a large mass to high speed. Option A would deploy a large 15-metre (50 ft) capture bag capable of holding a small asteroid up to 8 m (26 ft) in diameter,[13] and a mass of up to 500 tons. [2] The mission was given its notice of defunding in April 2017. A Mars cargo mission would require ~100 kW, and a crewed flight ~150–300 kW. The spacecraft collected a sample that … The grippers would dig into the boulder and create a strong grip. [1] If funded, the mission would have launched in December 2021,[2] with the additional objectives to test a number of new capabilities needed for future human expeditions to deep space, including advanced ion thrusters.[3]. Redirecting the asteroid mass to a distant retrograde orbit around the Moon would ensure it could not hit Earth and also leave it in a stable orbit for future studies. [51] NASA Glenn Research Center is managing the project. [5], This article is about the proposed NASA mission. 114–153 - SPACE RESOURCE EXPLORATION AND UTILIZATION ACT OF 2015", "Human Asteroid Exploration: The Long And Storied Path", "NASA seeks additional information for asteroid redirect mission spacecraft", "Everyone Hates NASA's Asteroid Capture Program", "News from the 31st Space Symposium: Bolden Not Concerned About ARM Criticism", "Companies Selected to Provide Early Design Work for Asteroid Redirect Robotic Mission Spacecraft", "Asteroid Redirect Mission: robotic collaboration between NASA and ASI", Video: Asteroid Redirect Mission, 'Option A', Video: Asteroid Redirect Mission, 'Option B', Video: Asteroid Redirect Mission: Crewed Orion spacecraft rendezvous with ARM in lunar orbit, Video: Asteroid Redirect Mission: Robotic Segment NASA, Commercial Orbital Transportation Services, List of minor planets and comets visited by spacecraft, List of artificial objects on extra-terrestrial surfaces, HORIZON: Asteroids–The Good, the Bad and the Ugly, https://en.wikipedia.org/w/index.php?title=Asteroid_Redirect_Mission&oldid=984753103, All Wikipedia articles written in American English, Articles containing potentially dated statements from October 2017, All articles containing potentially dated statements, Creative Commons Attribution-ShareAlike License.
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