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AMSAT is a name for various amateur radio satellite organizations worldwide. In particular, it often refers to the Radio Amateur Satellite Corporation, headquartered in Washington, D.C. AMSAT organizations design, build, arrange launches for, and then operate (command) satellites carrying amateur radio payloads, including the OSCAR series of satellites. Other informally affiliated national organizations exist, such as AMSAT Germany (AMSAT-DL) and AMSAT Japan (JAMSAT).
A CubeSat is a class of small satellite with a form factor of 10 cm (3.9 in) cubes. CubeSats have a mass of no more than 2 kg (4.4 lb) per unit, and often use commercial off-the-shelf (COTS) components for their electronics and structure. CubeSats are deployed into orbit from the International Space Station, or launched as secondary payloads on a launch vehicle. As of December 2023, more than 2,300 CubeSats have been launched.
A small satellite, miniaturized satellite, or smallsat is a satellite of low mass and size, usually under 1,200 kg (2,600 lb). While all such satellites can be referred to as "small", different classifications are used to categorize them based on mass. Satellites can be built small to reduce the large economic cost of launch vehicles and the costs associated with construction. Miniature satellites, especially in large numbers, may be more useful than fewer, larger ones for some purposes – for example, gathering of scientific data and radio relay. Technical challenges in the construction of small satellites may include the lack of sufficient power storage or of room for a propulsion system.
Rocket Lab USA, Inc. is a publicly traded aerospace manufacturer and launch service provider that operates and launches lightweight Electron orbital rockets used to provide dedicated launch services for small satellites as well as a suborbital variant of Electron called HASTE. The company plans to build a larger Neutron rocket as early as 2024. Electron rockets have launched 44 times from either Rocket Lab's Launch Complex 1 in New Zealand or at the Mid-Atlantic Regional Spaceport in Wallops Island, Virginia, United States. Rocket Lab has launched one HASTE rocket to date from Wallops Island, Virginia.
The NASA Launch Services Program (LSP) is responsible for procurement of launch services for NASA uncrewed missions and oversight of launch integration and launch preparation activity, providing added quality and mission assurance to meet program objectives. LSP operates under the NASA Space Operations Mission Directorate (SOMD).
Technology Education Satellite (TechEdSat) is a successful nano-sat flight series conducted from the NASA Ames Research Center in collaboration with numerous universities. While one of the principal aims has been to introduce young professionals and university students to the practical realm of developing space flight hardware, considerable innovations have been introduced. In addition, this evolving flight platform has tested concepts for Low Earth Orbit (LEO) sample return, as well as planetary nano-sat class mission concepts.
LauncherOne was a two-stage orbital launch vehicle developed and flown by Virgin Orbit that had operational flights from 2021 to 2023, after being in development from 2007 to 2020. It was an air-launched rocket, designed to carry smallsat payloads of up to 300 kg (660 lb) into Sun-synchronous orbit (SSO), following air launch from a carrier aircraft at high altitude. The rocket was carried to the upper atmosphere on a modified Boeing 747-400, named Cosmic Girl, and released over ocean. Initial work on the program was done by Virgin Galactic, another Virgin Group subsidiary, before a separate entity — Virgin Orbit — was formed in 2017 to complete development and operate the launch service provider business separately from the passenger-carrying Virgin Galactic business.
SkySat is a constellation of sub-meter resolution Earth observation satellites owned by Planet Labs, providing imagery, high-definition video and analytics services. Planet acquired the satellites with their purchase of Terra Bella, a Mountain View, California-based company founded in 2009 by Dan Berkenstock, Julian Mann, John Fenwick, and Ching-Yu Hu, from Google in 2017.
Planet Labs PBC is a publicly trading American Earth imaging company based in San Francisco, California. Their goal is to image the entirety of the Earth daily to monitor changes and pinpoint trends.
NG-11, previously known as OA-11, is the twelfth flight of the Northrop Grumman robotic resupply spacecraft Cygnus and its eleventh flight to the International Space Station under the Commercial Resupply Services (CRS-1) contract with NASA. The mission launched on 17 April 2019 at 20:46:07 UTC. This is the last mission from the extended CRS-1 contract; follow-up missions are part of the CRS-2 contract. Cygnus NG-11 was also the first mission to load critical hardware onto Cygnus within the last 24 hours prior to launch, a new Antares feature.
The University of Georgia Small Satellite Research Laboratory (SSRL) is a research laboratory which builds CubeSats for Earth observation.
EIRSAT-1 is a European Space Agency-sponsored 2U CubeSat developed and built by University College Dublin (UCD) in Dublin, Ireland.
Note: As of the school year of 2022, the Irvine CubeSat STEM Program has been shut down. The Irvine Public School Foundation (IPSF) has reallocated the CubeSat funding elsewhere and Brent Freeze has left the project to pursue other endeavors. This change could have resulted from the lack of productivity during the COVID-19 pandemic and the loss of talented students. It is rumored that the program could return during the 2023 school year.
Irvine CubeSat STEM Program (ICSP) is a joint educational endeavor to teach, train and inspire the next generation of STEM professionals. ICSP involves students from six high schools from Irvine, California, and its main objective is to assemble, test, and launch a CubeSat into low Earth orbit.
Educational Launch of Nanosatellites (ELaNa) is an initiative created by NASA to attract and retain students in the science, technology, engineering and mathematics disciplines. The program is managed by the Launch Services Program (LSP) at NASA's Kennedy Space Center in Florida.
IRVINE02 is an educational 1U CubeSat mission that gives high school students the experience of building, testing, and controlling a nano-satellite to develop interest and talent in the science and engineering fields. The mission features the second orbital ion electrospray thruster developed by Accion Systems. Beyond the thruster, IRVINE02 utilizes magnetorquers, deployable solar arrays, a GPS unit, and a miniaturized 1.4 Watt blue laser communication module to transmit pictures and data back to Earth. The magnetorquers and the laser are both developed by the Ecuadorian Space Agency. This laser made IRVINE02 the first 1U cubesat to fly with an orbit-to-ground laser communications device. It transmits data and pictures to the Earth much faster than radio.
TROPICS(Time-Resolved Observations of Precipitation structure and storm Intensity with a Constellation of Smallsats) is a NASA constellation of six small satellites, 3U CubeSats, that will measure temperature and moisture profiles and precipitation in tropical systems with unprecedented temporal frequency. This data will enable scientists to study the dynamic processes that occur in the inner core of the storm resulting in rapid genesis and intensification. William Blackwell of the Massachusetts Institute of Technology's Lincoln Laboratory in Lexington, Massachusetts is the principal investigator. The constellation was initially planned to be delivered to orbit on three launches between June and July 2022. Due to the loss of the first two satellites after a launch failure in June 2022, the first satellites were delivered to orbit aboard a Rocket Lab Electron rocket on 7 May 2023.
Simulation-to-Flight 1 (STF-1) is a microsatellite built by the Katherine Johnson Independent Verification and Validation Facility (IV&V) in Fairmont, West Virginia with the collaboration of the West Virginia Space Grants Consortium and West Virginia University.
CAPSTONE is a lunar orbiter that is testing and verifying the calculated orbital stability planned for the Lunar Gateway space station. The spacecraft is a 12-unit CubeSat that is also testing a navigation system that is measuring its position relative to NASA's Lunar Reconnaissance Orbiter (LRO) without relying on ground stations. It was launched on 28 June 2022, arrived in lunar orbit on 14 November 2022, and was scheduled to orbit for six months. On 18 May 2023, it completed its primary mission to orbit in the near-rectilinear halo orbit for six months, but will stay on this orbit, continuing to perform experiments during an enhanced mission phase.
References
- ↑ Loff, Sarah (2015-07-22). "CubeSats Overview". NASA. Archived from the original on 2023-05-26. Retrieved 2017-11-15.
- ↑ "About CubeSats - CubeSatShop.com". CubeSatShop.com. Retrieved 2017-11-15.
- ↑ "Irvine CubeSat STEM Program". irvinecubesat. Retrieved 2017-11-13.
- ↑ "Irvine high school students ready their mini satellite for launch into orbit". Orange County Register. 2017-07-27. Retrieved 2017-11-13.
- ↑ "Students Prepare to Launch Satellite They Built Into Space". NBC Southern California. Retrieved 2017-11-13.
- ↑ "IRVINE01". N2YO.com. 2023-02-03. Retrieved 2023-02-15.
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