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RESEARCH PRODUCT

Aalto-1, multi-payload CubeSat: Design, integration and launch

Petri NiemeläRisto PunkkinenT. PeltolaJaan PraksHannu LeppinenGabriel Jörg SchwarzkopfHannu Pekka HedmanA. BosserArttu PunkkinenNemanja JovanovicAntti NäsiläTuomas TikkaJ. M.k. SlotteJ. O. LillM. Rizwan MughalM. Rizwan MughalJan GieselerRami VainioAri VirtanenJouni EnvallHeikki KettunenBagus RiwantoPetri ToivanenTero SänttiPhilipp OleynikAndris SlavinskisAndris SlavinskisA. KestiläPekka Janhunen

subject

Computer sciencePolar orbitFOS: Physical sciencesAerospace Engineering02 engineering and technologyDesign strategy01 natural sciences7. Clean energyPhysics - Space Physicsmittauslaitteet0203 mechanical engineering0103 physical sciencesBrakeAalto-1CubeSatGround segmentAerospace engineeringInstrumentation and Methods for Astrophysics (astro-ph.IM)010303 astronomy & astrophysicsavaruustekniikkaAalto spectral imagerRadiation monitortutkimussatelliitit020301 aerospace & aeronauticsRadiationSpacecraftbusiness.industryPayloadCubeSatElectrostatic plasma brakesäteilySpace Physics (physics.space-ph)satelliititHyperspectralSatelliteAstrophysics - Instrumentation and Methods for Astrophysicsbusinesskosminen säteily

description

The design, integration, testing, and launch of the first Finnish satellite Aalto-1 is briefly presented in this paper. Aalto-1, a three-unit CubeSat, launched into Sun-synchronous polar orbit at an altitude of approximately 500 km, is operational since June 2017. It carries three experimental payloads: Aalto Spectral Imager (AaSI), Radiation Monitor (RADMON), and Electrostatic Plasma Brake (EPB). AaSI is a hyperspectral imager in visible and near-infrared (NIR) wavelength bands, RADMON is an energetic particle detector and EPB is a de-orbiting technology demonstration payload. The platform was designed to accommodate multiple payloads while ensuring sufficient data, power, radio, mechanical and electrical interfaces. The design strategy of platform and payload subsystems consists of in-house development and commercial subsystems. The CubeSat Assembly, Integration & Test (AIT) followed Flatsat -- Engineering-Qualification Model (EQM) -- Flight Model (FM) model philosophy for qualification and acceptance. The paper briefly describes the design approach of platform and payload subsystems, their integration and test campaigns, and spacecraft launch. The paper also describes the ground segment & services that were developed by the Aalto-1 team.

10.1016/j.actaastro.2020.11.042https://aaltodoc.aalto.fi/handle/123456789/110888