ASTERISC

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ASTERISC
NamesAdvanced Satellite Toward Exploration of dust enviRonment with In-Situ Cosmic dust sensor
Mission type Technology demonstration
Operator Chiba Institute of Technology
COSPAR ID 2021-102C OOjs UI icon edit-ltr-progressive.svg
SATCAT no. 49397 OOjs UI icon edit-ltr-progressive.svg
Spacecraft properties
Spacecraft type3U CubeSat
Bus CubeSat
ManufacturerPlanetary Exploration Research Center (PERC) at the Chiba Institute of Technology
Launch mass3 kg (6.6 lb)
Dimensions10 × 10 × 30 cm (3.9 × 3.9 × 11.8 in)
Start of mission
Launch date9 November 2021, 00:55 UTC
Rocket Epsilon (No. 5)
Launch site Uchinoura Space Center
Contractor JAXA
Orbital parameters
Reference system Geocentric orbit (planned)
Regime Sun-synchronous orbit
Perigee altitude 560 km (350 mi)
Apogee altitude 560 km (350 mi)
Inclination 97.6°
Instruments
Deployable dust sensor
Magnetic field sensor
Wide-angle camera
 

ASTERISC (Advanced Satellite Toward Exploration of dust enviRonment with In-Situ Cosmic dust sensor) is a nanosatellite developed by the Planetary Exploration Research Center (PERC) at the Chiba Institute of Technology that will observe cosmic dust in low Earth orbit. It is built as 3U-sized CubeSat and will deploy a large membrane structure in space. ASTERISC was launched on 9 November 2021 by an Epsilon launch vehicle. [1] [2]

Contents

Overview

ASTERISC's satellite bus is based on PERC's first CubeSat, S-CUBE, which was operated from 2015 to 2016.

ASTERISC is named after the word asterisk (*), which traces its origin to an ancient Greek word meaning "little star". The satellite will observe space dust, which are tiny fragments of a star. Additionally, the satellite is a CubeSat, figuratively a "little star". [3] The project is led by Ryo Ishimaru of PERC. [4]

Mission

ASTERISC's mission is to investigate small dust particles in space. The particles detected by the satellite are expected to be from two different sources; those of natural origin are cosmic dust, while those of artificial origin are small space debris. Cosmic dust targeted by ASTERISC are particles that are too small to become meteors. Unlike larger dusts, dusts of this size likely do not burn up when they enter in Earth's atmosphere, and some scientist hypothesize that these dusts may be able to bring organic molecules from space. [4]

On the engineering side, ASTERISC will test a new type of film-based dust sensor. [4] The CubeSat's primary instrument is a deployable dust sensor covered in polyimide. [5] When minute particles impact the polyimide film (10 x 30 cm), it will create elastic waves, which will then be measured by numerous piezoelectric devices attached to the polyimide film. [4] [2] ASTERISC will detect particles impacts as electric signals generated by the piezoelectric devices. Since this data will be monitored in real time, it may be possible to investigate the distribution of cosmic dust and minuscule space debris in low Earth orbit. [6]

See also

List of CubeSats

Related Research Articles

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References

  1. ↑ イプシロンロケット5号機による革新的衛星技術実証2号機の打上げ結果について [Innovative satellite technology demonstration by Epsilon rocket No. 5 About the launch result of No. 2] (in Japanese). JAXA. 9 November 2021. Retrieved 9 November 2021.
  2. 1 2 Otsuka, Minoru (24 August 2021). "9機の革新衛星は宇宙で何を実証する？ イプシロン5号機で10月に打ち上げへ". Mynavi News (in Japanese). Retrieved 14 September 2021.
  3. ↑ "PERC超小型衛星2号機の名称が「ASTERISC」（アスタリスク）に決定！" (in Japanese). Chiba Institute of Technology. Retrieved 29 September 2021.
  4. 1 2 3 4 "膜型ダストセンサを搭載したキューブサットで宇宙塵・スペースデブリ観測を目指す" (in Japanese). JAXA. 1 April 2020. Retrieved 29 September 2021.
  5. ↑ "ASTERISCダストセンサーフライトモデル較正試験" (in Japanese). Chiba Institute of Technology. 7 July 2021. Retrieved 29 September 2021.
  6. ↑ "Advanced Satellite Toward Exploration of dust enviRonment with In-Situ Cosmic dust sensor（ASTERISC）". Chiba Institute of Technology. Retrieved 29 September 2021.
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