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A CubeSat is a class of miniaturized satellite based around a form factor consisting 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 put into orbit by deployers on the International Space Station, or launched as secondary payloads on a launch vehicle. As of August 2021, more than 1,600 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.
Explorer-1 [Prime], also known as E1P and Electra, was a CubeSat-class picosatellite built by the Space Science and Engineering Laboratory (SSEL) at Montana State University. It was launched aboard a Taurus-XL rocket from Vandenberg Air Force Base, California on 4 March 2011, but failed to achieve orbit after the rocket malfunctioned.
KickSat was a satellite dispenser for small-satellite (femtosatellite) project inaugurated in early October 2011, to launch many very small satellites from a 3U CubeSat. The satellites have been characterized as being the size of a large postage stamp. and also as "cracker size". The mission launch was originally scheduled for late 2013 and was launched April 18, 2014.
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.
STRaND-1 is a failed 3U CubeSat developed by Surrey University's Surrey Space Centre (SSC) and Surrey Satellite Technology (SSTL). The 4.3 kg (9.5 lb) nanosatellite was launched into orbit on board a PSLV Rocket from India on February 25, 2013, Smartphones have flown in space before inside the International Space Station, and the computer from a PDA launched inside two Japanese CubeSats in 2006 and 2008.
ArduSat is an Arduino based nanosatellite, based on the CubeSat standard. It contains a set of Arduino boards and sensors. The general public will be allowed to use these Arduinos and sensors for their own creative purposes while they are in space.
Planet Labs PBC is an American public 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.
SkyCube was an American crowdsourced CubeSat. It was first announced on Kickstarter on 14 July 2012 and successfully funded on 12 September 2012, meeting its US$82,500 goal with a total of US$116,890. It was developed and built in 2012–2013, completed flight integration at Nanoracks in late 2013, and launched aboard the Cygnus CRS Orb-1 flight at the Mid-Atlantic Regional Spaceport on Wallops Island, Virginia on 9 January 2014. SkyCube was deployed from the International Space Station on 28 February 2014. Contact with the satellite was last made on 27 March 2014. SkyCube re-entered the Earth's atmosphere on 9 November 2014. It is one of several crowdfunded satellites launched during the 2010s.
Mars Cube One was a Mars flyby mission launched on 5 May 2018 alongside NASA's InSight Mars lander. It consisted of two nanospacecraft, MarCO-A and MarCO-B, that provided real-time communications to Earth for InSight during its entry, descent, and landing (EDL) on 26 November 2018 - when InSight was out of line of sight from the Earth. Both spacecraft were 6U CubeSats designed to test miniaturized communications and navigation technologies. These were the first CubeSats to operate beyond Earth orbit, and aside from telecommunications they also tested CubeSats' endurance in deep space. On 5 February 2019, NASA reported that both the CubeSats had gone silent by 5 January 2019, and are unlikely to be heard from again. In August 2019, the CubeSats were honored for their role in the successful landing of the InSight lander on Mars.
Progress MS-09, identified by NASA as Progress 70P, was a Progress spaceflight operated by Roscosmos to resupply the International Space Station (ISS). This was the 161st flight of a Progress spacecraft.
The University of Georgia Small Satellite Research Laboratory (SSRL), or UGA SSRL, is a research laboratory founded in late 2015 with the goal of launching a student-built spacecraft into low Earth orbit. The SSRL is currently building the University of Georgia's first two satellites. The lab has a Space Act Agreement with the NASA Ames Research Center.
ArgoMoon is a CubeSat that was launched into a heliocentric orbit on Artemis 1, the maiden flight of the Space Launch System, on 16 November 2022 at 06:47:44 UTC. The objective of the ArgoMoon spacecraft is to take detailed images of the Interim Cryogenic Propulsion Stage following Orion separation, an operation that will demonstrate the ability of a cubesat to conduct precise proximity maneuvers in deep space.
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.
RaInCube, also stylized as RainCube, was a 6U CubeSat made by NASA as an experimental satellite. It had a small radar and an antenna. It was put into orbit in May 2018 and was deployed from the International Space Station on June 25, 2018. It re-entered Earth's atmosphere and burned up on Dec. 24, 2020. It was used to track large storms.
IceCube, also known as Earth-1, was a 3U CubeSat satellite funded and developed by NASA. Its goal was to demonstrate and map ice clouds through the use of its 883 GHz radiometer.
Cosmic X-ray Background Nanosatellite (CXBN) was a satellite and mission developed by the Morehead State University. Unlike its successor, it was a partial failure as its transmissions were too weak for its mission due to it going into an anomalous low power mode. It was supposed to take measurements of the cosmic X-ray background in the 30-50 keV range and temporarily supplement NASA's Radiation Belt Storm Probes.
Small Innovative Missions for Planetary Exploration (SIMPLEx) is a planetary exploration program operated by NASA. The program funds small, low-cost spacecraft for stand-alone planetary exploration missions. These spacecraft are intended to launch as secondary payloads on other missions and are riskier than Discovery or New Frontiers missions.
References
- ↑ "NASA - NanoRacks-SkyCube". www.nasa.gov. Retrieved 2019-01-05.
- ↑ Fish, Elizabeth (14 November 2011). "Explore Space With A Spacecraft The Size Of A Postage Stamp". PCWorld. Retrieved 2019-01-05.
- ↑ Plait, Phil (15 June 2012). "Kickstart your way to an experiment on a satellite!". Bad Astronomy. Retrieved 2019-01-05.
- ↑ Morton, Elise (17 July 2017). "Russian students launch crowdfunded satellite". The Calvert Journal. Retrieved 2019-01-05.