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{{Use dmy dates|date=January 2017}}
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'''OICETS, the Optical Inter-Orbit Communications Engineering Test Satellite''' (other name '''Kirari''') is an experimental satellite launched by the [[Japan Aerospace Exploration Agency]] to demonstrate interorbital communication between satellites through optical (l l butter ball) means. OICETS was originally slated for a launch on the second [[J-I]] launcher. Due to problems with this launcher, the launch had to be put on hold. Using the [[H-2A]] was out of question: it would be overkill to use this model to send a {{convert|570|kg|lb}} satellite into [[Low Earth orbit|low Earth orbit (LEO)]], and there was no budget for another H-2A launch. Finally, in order to be able to perform the tests during the lifetime of the European [[Artemis (satellite)|Artemis satellite]], OICETS was successfully launched on a [[Dnepr rocket|Dnepr launcher]].
{{Infobox spaceflight |auto=all
| name = Optical Inter-orbit Communications Engineering Test Satellite
| names_list = OICETS, ''Kirari''
| image = File:JAXA Kiriani test satelite.jpg
| image_caption =
| image_size =150px


| mission_type = Technology demonstration
The satellite's operation was finished by September 24, 2009.<ref>{{cite web |url=http://www.jaxa.jp/press/2009/09/20090924_kirari_j.html |title=光衛星間通信実験衛星「きらり」（OICETS）の運用終了について |language=Japanese |publisher=JAXA |date=September 24, 2009 |accessdate=September 24, 2009}}</ref>
| operator = [[JAXA]]
| COSPAR_ID = 2005-031A
| SATCAT = 28809
| website = {{URL|http://global.jaxa.jp/projects/sat/oicets/index.html}}
| mission_duration = Planned: 1 year <br/> Final: {{time interval|23 August 2005 21:10|24 September 2009 14:48|show=ymd|sep=,}}


| manufacturer = [[Toshiba]]
⚫
==Achievements==
| launch_mass = {{convert|570|kg|lb|abbr=on}}
| dry_mass =
| dimensions = {{convert|0.78|xx|1.1|xx|1.5|m|ft|abbr=on}}
| power = <!--end-of-life power, in watts-->


| launch_date = {{start-date|23 August 2005, 21:10}}&nbsp;UTC<ref name="nssdc-orbit">{{cite web |url=https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=2005-031A |title=OICETS - Trajectory Details |work=[[National Space Science Data Center]] |publisher=[[NASA]] |access-date=7 January 2017}}</ref>
⚫
*On December 9, 2005 JAXA succeeded in establishing optical links between OICETS (Kirari) and Artemis.
| launch_rocket = [[Dnepr (rocket)|Dnepr]]<ref name="astronautix">{{cite encyclopedia |url=http://www.astronautix.com/k/kirari.html |archive-url=https://web.archive.org/web/20161221095254/http://www.astronautix.com/k/kirari.html |url-status=dead |archive-date=21 December 2016 |title=Kirari |encyclopedia=Encyclopedia Astronautica |access-date=7 January 2017}}</ref>
| launch_site = [[Baikonur Cosmodrome|Baikonur]] [[Baikonur Cosmodrome Site 109|Pad 109/95]]<ref name="astronautix" />
| launch_contractor = [[ISC Kosmotras]]<!--United Launch Alliance, Arianespace, etc-->
| entered_service = <!--date on which the spacecraft entered service, if it did not do so immediately after launch-->

| disposal_type = Decommissioned
| deactivated = {{end-date|24 September 2009, 05:48}}&nbsp;UTC<ref name="jaxa20090924">{{cite web |url=http://global.jaxa.jp/projects/sat/oicets/topics.html |title=Kirari: Signals stopped; successful operation ends |publisher=[[JAXA]] |date=24 September 2009 |access-date=7 January 2017}}</ref>
| decay_date = <!--when craft re-entered the atmosphere, not needed if it landed-->

| orbit_reference = [[Geocentric orbit|Geocentric]]
| orbit_regime = [[Low Earth orbit|Low Earth]]
| orbit_semimajor =
| orbit_eccentricity = 0.00107
| orbit_periapsis = {{convert|597|km|mi|abbr=on}}
| orbit_apoapsis = {{convert|612|km|mi|abbr=on}}
| orbit_inclination = 97.8°
| orbit_period = 96.8 minutes
| orbit_epoch = 23 August 2005, 17:10:00&nbsp;UTC<ref name="nssdc-orbit" />
| apsis = gee

| instruments_list = {{Infobox spaceflight/Instruments
| acronym1 = LUCE | name1 = Laser-Utilizing Communications Equipment
| acronym2 = MVE | name2 = Micro Vibration Equipment
}}
}}

⚫
The '''Optical Inter-orbit Communications Engineering Test Satellite''' ('''OICETS'''), also called '''''Kirari''''', was an experimental satellite launched by [[JAXA]] to demonstrate interorbital communication between satellites through optical (laser) means. OICETS was originally slated for a launch on the second [[J-I]] launcher. Due to problems with that launcher, the launch had to be put on hold. Using the [[H-IIA]] was out of question: it would have been overkill to use the H-IIA to send a {{convert|570|kg|lb}} satellite into [[low Earth orbit]], and there was no budget for another H-IIA launch. Finally, in order to be able to perform the tests during the lifetime of the European [[Artemis (satellite)|Artemis]] satellite (since 2014, sold to [[Avanti Communications]] to exploit its Ka, S, and L-band payloads), OICETS was successfully launched on a Russian-Ukrainian [[Dnepr rocket]].

The satellite was decommissioned and its mission terminated on 24 September 2009 at 05:48&nbsp;UTC.<ref name="jaxa20090924" />

⚫
==Achievements==
⚫
*On 9 December 2005, JAXA succeeded in establishing optical links between OICETS and Artemis.
*During March 2006, a successful link between OICETS and a ground station in Japan was established. This was the first optical links connection between a fixed ground station and an LEO satellite.
*During March 2006, a successful link between OICETS and a ground station in Japan was established. This was the first optical links connection between a fixed ground station and an LEO satellite.
*On June 7, 2006 JAXA established a communication link between OICETS and a mobile ground station operated by the [[German Aerospace Center]] (DLR).
*On 7 June 2006, JAXA established a communication link between OICETS and a mobile ground station operated by the [[German Aerospace Center]] (DLR).


==Notes==
==Notes==
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==External links==
==External links==
{{Portal|Spaceflight}}
*[http://www.jaxa.jp/missions/projects/sat/tsushin/oicets/index_e.html Official page on the JAXA web site]
* [http://global.jaxa.jp/projects/sat/oicets/index.html OICETS website] at JAXA.jp
*[http://nssdc.gsfc.nasa.gov/database/MasterCatalog?sc=2005-031A http://nssdc.gsfc.nasa.gov/database/MasterCatalog?sc=2005-031A]


{{Japanese space program}}
{{Japanese space program}}
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[[Category:Satellites of Japan]]
[[Category:Satellites of Japan]]
[[Category:Spacecraft launched in 2005]]
[[Category:Spacecraft launched in 2005]]
[[Category:Spacecraft launched by Dnepr rockets]]

[[Category:Spacecraft decommissioned in 2009]]
[[Category:Technology demonstration satellites]]


{{Japan-spacecraft-stub}}
{{Japan-spacecraft-stub}}

Latest revision as of 10:42, 13 November 2024

Optical Inter-orbit Communications Engineering Test Satellite
NamesOICETS, Kirari
Mission typeTechnology demonstration
OperatorJAXA
COSPAR ID2005-031A Edit this at Wikidata
SATCAT no.28809
Websiteglobal.jaxa.jp/projects/sat/oicets/index.html
Mission durationPlanned: 1 year
Final: 4 years, 1 month
Spacecraft properties
ManufacturerToshiba
Launch mass570 kg (1,260 lb)
Dimensions0.78 × 1.1 × 1.5 m (2.6 × 3.6 × 4.9 ft)
Start of mission
Launch date23 August 2005, 21:10 (2005-08-23UTC21:10) UTC[1]
RocketDnepr[2]
Launch siteBaikonur Pad 109/95[2]
ContractorISC Kosmotras
End of mission
DisposalDecommissioned
Deactivated24 September 2009, 05:48 (2009-09-24UTC05:49) UTC[3]
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Eccentricity0.00107
Perigee altitude597 km (371 mi)
Apogee altitude612 km (380 mi)
Inclination97.8°
Period96.8 minutes
Epoch23 August 2005, 17:10:00 UTC[1]

The Optical Inter-orbit Communications Engineering Test Satellite (OICETS), also called Kirari, was an experimental satellite launched by JAXA to demonstrate interorbital communication between satellites through optical (laser) means. OICETS was originally slated for a launch on the second J-I launcher. Due to problems with that launcher, the launch had to be put on hold. Using the H-IIA was out of question: it would have been overkill to use the H-IIA to send a 570 kilograms (1,260 lb) satellite into low Earth orbit, and there was no budget for another H-IIA launch. Finally, in order to be able to perform the tests during the lifetime of the European Artemis satellite (since 2014, sold to Avanti Communications to exploit its Ka, S, and L-band payloads), OICETS was successfully launched on a Russian-Ukrainian Dnepr rocket.

The satellite was decommissioned and its mission terminated on 24 September 2009 at 05:48 UTC.[3]

Achievements

[edit]
  • On 9 December 2005, JAXA succeeded in establishing optical links between OICETS and Artemis.
  • During March 2006, a successful link between OICETS and a ground station in Japan was established. This was the first optical links connection between a fixed ground station and an LEO satellite.
  • On 7 June 2006, JAXA established a communication link between OICETS and a mobile ground station operated by the German Aerospace Center (DLR).

Notes

[edit]
  1. ^ a b "OICETS - Trajectory Details". National Space Science Data Center. NASA. Retrieved 7 January 2017.
  2. ^ a b "Kirari". Encyclopedia Astronautica. Archived from the original on 21 December 2016. Retrieved 7 January 2017.
  3. ^ a b "Kirari: Signals stopped; successful operation ends". JAXA. 24 September 2009. Retrieved 7 January 2017.
[edit]
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