Aalto-1

















































































Aalto-1

Aalto-1, flight model (2) crop.jpg
Aalto-1 flight model in march 2016.

Mission type Technology
Operator Aalto University
COSPAR ID 2017-036L
SATCAT no.
 42775
Website wiki.aalto.fi/display/SuomiSAT/Aalto-1+nanosatellite+project
Mission duration ≈2 years

Spacecraft properties
Dry mass 3.9 kilograms (8.6 lb)

Start of mission
Launch date 23 June 2017
Rocket PSLV C38

Orbital parameters
Reference system Geocentric
Regime Low Earth
Perigee 550 km
Apogee 550 km
Inclination 97.46 degrees

 



Artist's impression of Aalto-1 releasing its electrostatic plasma brake tether.


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.[1]




Contents






  • 1 Project history


  • 2 Design


  • 3 Launch


  • 4 References


  • 5 External links





Project history


The Aalto-1 project began in 2010 with a feasibility study, which was conducted as part of a university course on space technology.[2] The study was followed by the publication of a preliminary design in 2011.[2] A critical design review of the satellite was conducted in 2012.[2] In all, over 80 students of Aalto University's School of Electrical Engineering were involved in the project.[3]



Design


The solar-powered CubeSat-based satellite will weigh approximately 3 kilograms (6.6 lb),[2] and has 3 main payloads: a miniature Fabry-Pérot spectrometer, designed by VTT Technical Research Centre,[4] a RADMON-radiation detector developed by University of Helsinki and University of Turku for the study of solar wind conditions in the Earth orbit (and to study the radiation environment in general), and an electric sail (dubbed a "brake tether"), which is designed to deorbit it at the end of its 2-year[5] operational lifespan, with the intent of avoiding the creation of space junk.[2]



Launch


Originally the satellite was to be launched by a Falcon 9-rocket, but the launch suffered multiple delays due to the accidents that plagued the Falcon 9-rocket in 2015 and 2016. The launch was removed from the Falcon 9-rocket, and Aalto-1 was launched on 23 June 2017 by PSLV-C38 rocket from India.



References




  1. ^ "The Finnish student satellite project". aalto1.fi. 8 May 2017. Retrieved 25 May 2017..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output .citation q{quotes:"""""""'""'"}.mw-parser-output .citation .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-maint{display:none;color:#33aa33;margin-left:0.3em}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}


  2. ^ abcde "Aalto-1 – Summary". Aalto.fi. 2012. Archived from the original on 23 December 2014. Retrieved 23 December 2014.


  3. ^ "Finland's first satellite heads for space in early 2017's". aalto1.fi. 27 December 2016. Retrieved 7 January 2015.


  4. ^ "Aalto-1, the Finnish student satellite". SouthgateARC. 17 October 2010. Retrieved 23 November 2011.


  5. ^ Aalto-1: The Finnish Student Nanosatellite. eoPortal Directory.



External links




  • Official website (in Finnish and English)


  • Launch website (in Finnish and English)









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