| 词条 | OMOTENASHI | ||||||||||
| 释义 |
| name = OMOTENASHI (Outstanding MOon exploration TEchnologies demonstrated by NAno Semi-Hard Impactor) | names_list = | image = | image_caption = | image_alt = | image_size = | mission_type = Technology, recoinnaissance | operator = JAXA | COSPAR_ID = | SATCAT = | website = {{url|http://www.isas.jaxa.jp/home/omotenashi/index.html}} | mission_duration = | distance_travelled = | spacecraft = | spacecraft_type = 6U CubeSat | spacecraft_bus = | manufacturer = JAXA | launch_mass = {{convert|14|kg|abbr=on}} | BOL_mass = | landing_mass = | payload_mass = | dimensions = 10×20×30 cm | power = 30 W max.[1] | launch_date = December 2019[1] | launch_rocket = SLS Block 1 | launch_site = Kennedy LC-39B | launch_contractor = | disposal_type = | declared = | deactivated = | destroyed = | last_contact = | recovery_by = | recovery_date = | decay_date = | landing_date = | landing_site =
OMOTENASHI will be one of thirteen CubeSats to be carried with the Orion EM-1 mission into a heliocentric orbit in cislunar space on the maiden flight of the Space Launch System, scheduled to launch in December 2019.[4] OverviewThe OMOTENASHI mission will land the smallest lunar lander to date on the lunar surface to demonstrate the feasibility of the hardware for distributed synergistic exploration system with multi-point exploration. Once on the lunar surface, the OMOTENASHI lander will observe the radiation environment of the lunar surface. The OMOTENASHI orbiter and lander were designed by the Japan Aerospace Exploration Agency (JAXA). It is a 6-Unit CubeSat measuring 10×20×30 cm, and has a mass of {{convert|14|kg|abbr=on}}. The Principal investigator is Professor Tatsuaki Hashimoto from JAXA.[5] The spacecraft features two deployable solar panels and lithium ion batteries. After measuring the radiation environment as it approaches the Moon, OMOTENASHI's lander module will perform a semi-hard landing on the lunar surface.[6] PayloadThe lander's scientific payload consist on a radiation monitor and an accelerometer.[2] Propulsion and landingOMOTENASHI uses a cold gas thruster to enter a lunar-impact orbit, and a solid rocket motor for the landing phase.[7] The entry and landing phases will be informed by the use of an X band two-way Doppler.[7] The orbiting module will enter at a shallow flight-path angle of ≤7 degrees, and it will be ejected when the solid rocket burn begins the deceleration maneuvre.[7] The rocket will be ignited with a laser.[2][15] After the deceleration rocket burn that will last 15-20 seconds,[8] OMOTENASHI's lander will eject the retrorocket, experiencing a free-fall of about 100 m. Just before impact, the lander will deploy a single airbag about 50 cm in diameter to minimize the impact,[8][9] estimated to be at 20 - 30 m/s.[2][7]
See also
References1. ^{{cite news |url=https://spaceflightnow.com/2017/04/28/nasa-confirms-first-flight-of-space-launch-system-will-slip-to-2019/ |title=NASA confirms first flight of Space Launch System will slip to 2019 |work=Spaceflight Now |first=Stephen |last=Clark |date=28 April 2017 |access-date=29 April 2017}} 2. ^1 2 3 4 5 OMOTENASHI (PDF). 29 October 2016. 3. ^Go To MOON!! The World's Smallest Moon Lander: OMOTENASHI (PDF) JAXA. 2017 4. ^{{cite web |url=https://www.nasa.gov/press-release/three-diy-cubesats-score-rides-on-nasa-s-first-flight-of-orion-space-launch-system |title=Three DIY CubeSats Score Rides on NASA's First Flight of Orion, Space Launch System |publisher=NASA |first1=Gina |last1=Anderson |first2=Molly |last2=Porter |date=8 June 2017}} 5. ^[https://www.nasa.gov/exploration/systems/sls/international-partners-provide-cubesats-for-sls-maiden-flight International Partners Provide Science Satellites for America’s Space Launch System Maiden Flight]. Kathryn Hambleton, NASA News. 26 May 2016. 6. ^[https://www.coloradospacenews.com/international-partners-to-launch-cubesats-on-orion-exploration-mission-1/ International Partners To Launch CubeSats On Orion Exploration Mission-1]. Colaorado Space News. 26 May 2016. 7. ^1 2 3 4 5 [https://digitalcommons.usu.edu/cgi/viewcontent.cgi?article=3615&context=smallsat Trajectory Design for the JAXA Moon Nano-Lander OMOTENASHI] (PDF). Javier Hernando-Ayuso, et al. Small Satellite Conference 2017. 8. ^1 2 3 [https://repository.exst.jaxa.jp/dspace/bitstream/a-is/609701/1/SA6000060027.pdf OMOTENASHI - Images] (PDF). JAXA. 2017. 9. ^1 OMOTENASHI - Mission Sequence. JAXA. 2017. External links
5 : CubeSats|Missions to the Moon|Impactor spacecraft|Japanese space probes|2019 in spaceflight |
||||||||||
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。