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SERVIS-2, or Space Environment Reliability Verification Integrated System 2, is a Japanese technological research satellite which was launched in 2010. It was constructed by Mitsubishi Electric, and will be operated by the Institute for Unmanned Space Experiment Free Flyer, USEF.[1] It follows on from the SERVIS-1 spacecraft, which was launched in 2003.

SERVIS-2
Mission typeTechnology
OperatorUSEF
COSPAR ID2010-023A
SATCAT no.36588
WebsiteUSEF - Project SERVIS
Mission duration1 year
Spacecraft properties
ManufacturerMitsubishi Electric
Launch mass740 kilograms (1,630 lb)
Dimensions2.5 by 10.2 metres (8.2 by 33.5 ft)
Power1,300 W
Start of mission
Launch date2 June 2010, 01:59 (2010-06-02UTC01:59Z) UTC
RocketRokot/Briz-KM
Launch sitePlesetsk 133/3
ContractorEurockot
Orbital parameters
Reference systemGeocentric
RegimeSun-synchronous
Inclination100.4 degrees
 

Launch


The launch of SERVIS-2 was conducted by Eurockot, using a Rokot carrier rocket with a Briz-KM upper stage. The launch occurred from Site 133/3 at the Plesetsk Cosmodrome in Russia. Eurockot, who were also responsible for launching the SERVIS-1 spacecraft, were awarded the contract to launch SERVIS-2 on 21 February 2007.[2]

SERVIS-2 arrived at the Plesetsk Cosmodrome on 26 April 2010.[3] Prior to launch, the spacecraft underwent final testing and fuelling, and was subsequently attached to its launch adaptor on 22 May.[4] This was attached to the upper stage the next day,[5] and the day after that the spacecraft was encapsulated in the payload fairing.[6] Under terminology used by Eurockot, as well as several other launch service providers, the combination of spacecraft, adaptor, upper stage and fairing was designated the Upper Composite.[6] This was transported to the launch pad on 27 May[7] for integration with the first two stages of the rocket.[8] The launch occurred successfully at 01:59 UTC on 2 June 2010.


Spacecraft


SERVIS-2 is a 740-kilogram (1,630 lb) spacecraft, which measures 2.5 by 10.2 metres (8.2 by 33.5 ft). It is intended to conduct experiments related to the demonstration of technology to be used in future missions, particularly research into the use of commercial off-the-shelf equipment. The spacecraft has a design life of one year, and its Solar panels will provide it with at least 1,300 watts of power.[9]

SERVIS-2 operates in a Sun-synchronous low Earth orbit, at an altitude of 1,200 kilometres (750 mi) and an inclination of 100.4 degrees.


Experiments


Nine experiments are being conducted by SERVIS-2. They are mostly described (in Japanese) in a special edition of Uchu Kagaku Gijutsu Rengo Koenkai Koenshu (Proceedings of the Space Sciences and Technology Conference). [9]

NameFull nameDescriptionRemarks
LIBALithium-Ion (Mn type) Battery system with Automotive Technology
ADMSHigh Assurance Data Management System [10]
CRAFTFault-Tolerant Computer with CRAFT System
PPRTUPlug-and-Play Remote Terminal Unit
HPDCHigh Performance Data Compressor [11]
APEAdvanced Positioning Experimental Module [12]
ASMAdvanced Satellite Structure Experimental Module [13]
MBWMagnetic Bearing Wheel
MEMSRF-MEMS Experiment Unit

The Commercial Parts Test Unit on SERVIS-2 is carrying 4Mbit and 8Mbit SRAM chips, 256Mbit and 512Mbit DRAM chips, 128kbit SOI SRAM chips made on a 180 nm process, and NOR-type 128Mbit flash memory chips.


See also



References


  1. Krebs, Gunter. "SERVIS 1, 2". Gunter's Space Page. Retrieved 1 June 2010.
  2. "SERVIS-2 To Be Launched On Rockot". Space-Travel.com. 22 February 2007. Retrieved 1 June 2010.
  3. "26 April 2010". Eurockot Launch Services. 26 April 2010. Retrieved 1 June 2010.[permanent dead link]
  4. "L-11 / 22 May 2010". Eurockot Launch Services. 22 May 2010. Retrieved 1 June 2010.[permanent dead link]
  5. "L-10 / 23 May 2010". Eurockot Launch Services. 23 May 2010. Retrieved 1 June 2010.[permanent dead link]
  6. "L-9 / 24 May 2010". Eurockot Launch Services. 24 May 2010. Retrieved 1 June 2010.[permanent dead link]
  7. "L-6 / 27 May 2010". Eurockot Launch Services. 27 May 2010. Retrieved 1 June 2010.[permanent dead link]
  8. Ракета–носитель "Рокот" готовится к запуску (in Russian). Russian Federal Space Agency. 27 May 2010. Archived from the original on 29 November 2010. Retrieved 1 June 2010.
  9. "Project SERVIS". USEF. Archived from the original on 7 March 2012. Retrieved 1 June 2010.
  10. "Science Links Japan | Development of a High Assurance Data Management System (ADMS) for Use on Space Systems". Archived from the original on 2012-03-13. Retrieved 2010-06-02.
  11. "Science Links Japan | Development of High Performance Data Compressor, SERVIS-2 Experimental Component". Archived from the original on 2012-03-13. Retrieved 2010-06-02.
  12. "Science Links Japan | Development of APE-Advanced Positioning Experiment System-". Archived from the original on 2012-03-13. Retrieved 2010-06-02.
  13. "Science Links Japan | Development of Advanced Satellite Structure Experimental Module". Archived from the original on 2012-03-13. Retrieved 2010-06-02.

На других языках

[de] SERVIS-2

SERVIS-2 (Abkz. für Space Environment Reliability Verification Integrated System, japanisch 実証衛星2号機, Jisshō Eisei 2-gōki, dt. „Nachweissatellit Gerät Nr. 2“) ist japanischer Forschungssatelliten des Institute for Unmanned Space Experiment Free Flyer (USEF) mit einem Auftrag an die New Energy and Industrial Technology Development Organization (NEDO).
- [en] SERVIS-2


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