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Solar sails are a method of spacecraft propulsion using radiation pressure exerted by sunlight on large surfaces. A number of spaceflight missions to test solar propulsion and navigation have been proposed since the 1980s. The first spacecraft to make use of the technology was IKAROS, launched in 2010.
The BeiDou Navigation Satellite System is a satellite-based radio navigation system owned and operated by the China National Space Administration. It is one of the global navigation satellite systems (GNSS) that provide geolocation and time information to a BDS receiver anywhere on or near the Earth where there is an unobstructed line of sight to four or more BDS satellites. It does not require the user to transmit any data, and operates independently of any telephonic or Internet reception, though these technologies can enhance the usefulness of the BDS positioning information.
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.
ChinaSat is the brand name of communications satellites operated by China Satellite Communications.
Cartosat-2A is an Earth observation satellite in a Sun-synchronous orbit and the third of the Cartosat series of satellites. The satellite is the thirteenth satellite in the Indian Remote Sensing (IRS) satellite series to be built, launched by the Indian Space Research Organisation.
NanoSail-D was a small satellite which was to have been used by NASA's Ames Research Center to study the deployment of a solar sail in space. It was a three-unit CubeSat measuring 30 cm × 10 cm × 10 cm, with a mass of 4 kg (8.8 lb). The satellite was lost shortly after launch due to a problem with the launch vehicle carrying it; however, a replacement, NanoSail-D2, was launched in 2010 to complete its mission.
Compass-1 is a German amateur CubeSat picosatellite, built and operated in the late 2000s by Aachen University of Applied Science. It was launched by the Indian Space Research Organisation, aboard a PSLV rocket as a secondary payload to the CartoSat-2A primary spacecraft on 28 April 2008. It was launched into a Geocentric orbit with an altitude of 597 km. Its primary mission is remote sensing; however, it also contains some technology demonstration experiments regarding the use of small satellites and GPS tracking.
The Space Engineering EDucation Satellite 2 (SEEDS-2) is a Japanese amateur CubeSat picosatellite, built and operated by Nihon University. It was launched by the Indian Space Research Organisation, aboard a PSLV rocket, on 28 April 2008. It was built to replace the SEEDS satellite, which was lost in a launch failure on a Dnepr rocket in July 2006.
LightSail is a project to demonstrate controlled solar sailing within low Earth orbit using a CubeSat. The project was developed by The Planetary Society, a global non-profit organization devoted to space exploration. It consists of two spacecraft — LightSail 1 and LightSail 2. LightSail 1 was an engineering demonstration mission designed to test its new sail deployment method in space, it did not perform solar sailing. LightSail 2 was a fully functional spacecraft intended to demonstrate true solar sailing and incorporated the lessons learned from LightSail 1. LightSail is a follow-on project to Cosmos 1 — a solar-sail spacecraft designed by The Planetary Society in the early 2000s, which was destroyed during a launch failure in 2005.
NanoSail-D2 was a small satellite built by NASA's Marshall Space Flight Center and Ames Research Center to study the deployment of a solar sail in space. It was a three-unit CubeSat, measuring 30 cm × 10 cm × 10 cm with a mass of 4 kg (8.8 lb). Its solar sail had an area of 10 m2 (110 sq ft), and was deployed in around five seconds.
Aalto-1 is a Finnish research nanosatellite, created by students of Aalto University. Based on the CubeSat architecture, it was originally scheduled to be launched in 2013, it was launched on 23 June 2017. It is Finland's first student satellite project and indigenously produced satellite. As of 2021, the satellite is operational.
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.
PW-Sat is a series of Polish CubeSats designed and built by students at the Warsaw University of Technology in conjunction with the Faculty of Power and Aeronautical Engineering of Warsaw University of Technology, the Space Research Centre of Polish Academy of Sciences, and the European Space Agency. As of January 1, 2024, there have been 2 PW-Sats with a third in development. The first PW-Sat was the first Polish artificial satellite which was launched 13 February 2012 from ELA-1 at Guiana Space Centre aboard Italian-built Vega launch vehicle during its maiden voyage. After their graduation, the team that developed the original PW-Sat have also worked to develop the subsequent missions, establishing a private company named PW-Sat to design and manufacturer the PW-Sats, all of which test novel deorbiting methods, with the overall goal of the program to develop solutions to space debris.
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.
ESTCube-1 is the first Estonian satellite and first satellite in the world to attempt to use an electric solar wind sail (E-sail). It was launched on 7 May 2013 aboard Vega VV02 carrier rocket and successfully deployed into orbit. The CubeSat standard for nanosatellites was followed during the engineering of ESTCube-1, resulting in a 10×10×11.35 cm cube, with a volume of 1 liter and a mass of 1.048 kg.
PhoneSat is an ongoing NASA project of building nanosatellites using unmodified consumer-grade off-the-shelf smartphones and Arduino platform and launching them into Low Earth Orbit. This project is part of NASA's Small Spacecraft Technology Program and was started in 2009 at NASA Ames Research Center.
InflateSail was a 3U CubeSat launched on PSLV C38 on 23 June 2017 into a 505 km polar Sun-synchronous orbit. It carried a 1 m long inflatable rigidizable mast, and a 10 m2 drag-deorbiting sail. Its primary aim was to demonstrate the effectiveness of drag based deorbiting from low Earth orbit (LEO). Built by Surrey Space Centre of the University of Surrey, it was one of the Technology Demonstrator CubeSats for the QB50 mission. An identical drag sail payload was planned to be included on the RemoveDEBRIS demonstrator.
CubeSail is a proposed nanosatellite project by the Surrey Space Centre (SSC) in England. The spacecraft is to be a 3U CubeSat propelled by a 25 m²solar sail. The project is financed and technically supported by aerospace manufacturers Astrium and Surrey Satellite Technology.
CubeSail is a low-cost spacecraft propulsion demonstration mission using two identical 1.5U CubeSat satellites to deploy a 260 m (850 ft) long, 20 m2 (220 sq ft) solar sail ribbon between them. This mission is a first in a series of increasingly complex demonstrations leading up to a full-scale UltraSail heliogyro by the University of Illinois and CU Aerospace.
References
- ↑ Graham, William (22 June 2017). "PSLV rocket launches Cartosat 2E and 30 small sats". NASA Spaceflight. Retrieved 4 February 2021.