Oceansat: Difference between revisions

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{{Short description|Indian class of oceanography satellites}}
{{Short description|Indian class of oceanography satellites}}
{{Use mdy dates|date = December 2019}}
{{Use dmy dates|date = December 2019}}
{{Use Indian English|date = December 2019}}
{{Use Indian English|date = December 2019}}
{{Infobox spacecraft class
{{Infobox spacecraft class
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| equipment    = Ocean Colour Monitor<br/>Pencil beam [[scatterometer]]<br/>[[Microwave radiometer]]<br/>[[Radio occultation|Radio Occultation]] Sounder for Atmosphere
| equipment    = Ocean Colour Monitor<br/>Pencil beam [[scatterometer]]<br/>[[Microwave radiometer]]<br/>[[Radio occultation|Radio Occultation]] Sounder for Atmosphere
}}
}}
'''Oceansat''' is a series of earth observation [[artificial satellite|satellites]] built, launched, and operated by [[Indian Space Research Organisation]], and dedicated to [[oceanography]] and atmospheric studies.  Oceansat satellites facilitate a range of applications including documenting [[chlorophyll]] concentration, [[phytoplankton]] blooms, [[Aerosol#Atmospheric|atmospheric aerosols]] and [[particulates|particulate matter]].<ref name="GSP">{{cite web | url=http://space.skyrocket.de/doc_sdat/irs-p4.htm | title=IRS-P4 - Gunter's Space Page | publisher=Gunter's Space Page | accessdate=2019-12-09}}</ref> as well as marine weather forecast to predict cyclones.<ref>{{Cite news|title = To predict cyclone, ISRO to build advanced satellite|url = https://indianexpress.com/article/technology/science/isro-building-cyclone-predicting-mini-satellite-at-sac/|newspaper = The Indian Express|date = 2015-05-27|accessdate = 2019-12-09}}</ref>
'''Oceansat''' is a series of earth observation [[artificial satellite|satellites]] built, launched, and operated by [[Indian Space Research Organisation]], and dedicated to [[oceanography]] and atmospheric studies.  Oceansat satellites facilitate a range of applications including documenting [[chlorophyll]] concentration, [[phytoplankton]] blooms, [[Aerosol#Atmospheric|atmospheric aerosols]] and [[particulates|particulate matter]]<ref name="GSP">{{cite web | url=http://space.skyrocket.de/doc_sdat/irs-p4.htm | title=IRS-P4 - Gunter's Space Page | publisher=Gunter's Space Page | accessdate=2019-12-09}}</ref> as well as marine weather forecast to predict cyclones.<ref>{{Cite news|title = To predict cyclone, ISRO to build advanced satellite|url = https://indianexpress.com/article/technology/science/isro-building-cyclone-predicting-mini-satellite-at-sac/|newspaper = The Indian Express|date = 2015-05-27|accessdate = 2019-12-09}}</ref>


== Satellites ==
== Satellites ==
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It was capable of detecting eight [[Electromagnetic spectrum|spectrum]]s ranging from 400 [[nanometre|nm]] to 885&nbsp;nm, all in the [[Visible spectrum|visible]] or [[Near infrared#Commonly used sub-division scheme|near infrared]] spectrums.<ref>{{cite book|title=Recent Advances In Environmental Science|date=1 January 2003|publisher=Discovery Publishing House|isbn=978-81-7141-679-0|page=350}}</ref> The second, the Multi-frequency Scanning Microwave Radiometer, collects data by measuring [[microwave]] radiation passing through the [[atmosphere]] over the ocean.<ref name="SastryEbenezer2002">{{cite book |last1=Sastry |first1=Hari Ram Subrahmanya |last2=Ebenezer |first2=D. D. |last3=Sundaram |first3=T. V. S. |title=Proceedings of theInternational conference on SonarSensors of Systems, Vol. 2 |year=2002 |publisher=Allied Publishers |isbn=978-81-7764-382-4 |page=635}}</ref> This offers information including sea surface temperature, wind speed, cloud water content, and water vapour content.<ref name="GSP"/><ref name="SastryEbenezer2002"/>
It was capable of detecting eight [[Electromagnetic spectrum|spectrum]]s ranging from 400 [[nanometre|nm]] to 885&nbsp;nm, all in the [[Visible spectrum|visible]] or [[Near infrared#Commonly used sub-division scheme|near infrared]] spectrums.<ref>{{cite book|title=Recent Advances In Environmental Science|date=1 January 2003|publisher=Discovery Publishing House|isbn=978-81-7141-679-0|page=350}}</ref> The second, the Multi-frequency Scanning Microwave Radiometer, collects data by measuring [[microwave]] radiation passing through the [[atmosphere]] over the ocean.<ref name="SastryEbenezer2002">{{cite book |last1=Sastry |first1=Hari Ram Subrahmanya |last2=Ebenezer |first2=D. D. |last3=Sundaram |first3=T. V. S. |title=Proceedings of theInternational conference on SonarSensors of Systems, Vol. 2 |year=2002 |publisher=Allied Publishers |isbn=978-81-7764-382-4 |page=635}}</ref> This offers information including sea surface temperature, wind speed, cloud water content, and water vapour content.<ref name="GSP"/><ref name="SastryEbenezer2002"/>


Although initially launched with a lifespan of 5 years, Oceansat-1 completed its mission on August 8, 2010 after serving for 11 years and 2 months.
Although initially launched with a lifespan of 5 years, Oceansat-1 completed its mission on August 8, 2010, after serving for 11 years and 2 months.


=== Oceansat-2 ===
=== Oceansat-2 ===
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=== Oceansat-3 ===
=== Oceansat-3 ===
Expected to be launched in October 2021, Oceansat-3 will provide continuity to operators of OCM and enhanced ability in other applications by way of simultaneous Sea Surface Temperature (SST) measurements.<ref>{{cite web|title = Oceansat 3, 3A|url = https://space.skyrocket.de/doc_sdat/oceansat-3.htm|work = Gunter's Space Page|accessdate = 2019-12-09}}</ref><ref name="toi-120321">{{cite web|url=https://timesofindia.indiatimes.com/india/isro-aims-for-7-more-launches-from-india-in-2021/articleshow/81455856.cms|title=Isro aims for 7 more launches from India in 2021|publisher=Times of India|date=12 March 2021}}</ref> As of March 2021, ISRO and [[CNES]] completed [[interface control document]] to accommodate [[Argos (satellite system)|Argos]] in Oceansat-3.<ref>{{Cite web|date=20 March 2021|title=India, France Working On 3rd Joint Space Mission, Says ISRO Chairman|url=https://www.ndtv.com/india-news/india-france-working-on-3rd-joint-space-mission-says-isro-chairman-k-sivan-2395047|url-status=live|access-date=2021-03-21|website=NDTV}}</ref>
Expected to be launched between August–September 2022,<ref>{{Cite web |author=Chethan Kumar|date=Apr 6, 2022 |title=gaganyaan: 2 Gaganyaan abort tests in August, December; relay satellites next year {{!}} India News - Times of India |url=https://timesofindia.indiatimes.com/india/2-gaganyaan-abort-tests-in-august-december-relay-satellites-next-year/articleshow/90688885.cms |access-date=2022-04-08 |website=The Times of India |language=en}}</ref> Oceansat-3 will provide continuity to operators of OCM and enhanced ability in other applications by way of simultaneous Sea Surface Temperature (SST) measurements.<ref>{{cite web|title = Oceansat 3, 3A|url = https://space.skyrocket.de/doc_sdat/oceansat-3.htm|work = Gunter's Space Page|accessdate = 2019-12-09}}</ref><ref name="toi-120321">{{cite web|url=https://timesofindia.indiatimes.com/india/isro-aims-for-7-more-launches-from-india-in-2021/articleshow/81455856.cms|title=Isro aims for 7 more launches from India in 2021|publisher=Times of India|date=12 March 2021}}</ref> As of March 2021, ISRO and [[CNES]] completed [[interface control document]] to accommodate [[Argos (satellite system)|Argos]] in Oceansat-3.<ref>{{Cite web|date=20 March 2021|title=India, France Working On 3rd Joint Space Mission, Says ISRO Chairman|url=https://www.ndtv.com/india-news/india-france-working-on-3rd-joint-space-mission-says-isro-chairman-k-sivan-2395047|url-status=live|access-date=2021-03-21|website=NDTV}}</ref>


== Launch schedule ==
== Launch schedule ==
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| 25758
| 25758
| 750&nbsp;W
| 750&nbsp;W
| {{date|26 May 1999}}, 06:22:00
| 26 May 1999, 06:22:00
| {{cvt|1036|kg}}
| {{cvt|1036|kg}}
| [[PSLV-C2|PSLV-G C2]]
| [[PSLV-C2|PSLV-G C2]]
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| 35931
| 35931
|
|
| {{date|23 September 2009}}, 06:21
| 23 September 2009, 06:21
| {{cvt|960|kg}}
| {{cvt|960|kg}}
| PSLV-CA C14
| PSLV-CA C14
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| 41790
| 41790
|
|
| {{date|26 September 2016}}, 03:42
| 26 September 2016, 03:42
| {{cvt|371|kg}}
| {{cvt|371|kg}}
| [[PSLV-C35|PSLV-G C35]]
| [[PSLV-C35|PSLV-G C35]]
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| Continuity mission after SCAT on Oceansat-2 got dysfunctional
| Continuity mission after SCAT on Oceansat-2 got dysfunctional
|-
|-
| [[Oceansat-3]]
| [[EOS-06]]/Oceansat-3  
| TBD
| TBD
| TBD
| TBD
|
|
| August - September 2022
|
|
| October 2021
| PSLV C54
| PSLV C53
| [[Satish Dhawan Space Centre|SDSC]]
| [[Satish Dhawan Space Centre|SDSC]]
| {{Planned}}
| {{Planned}}
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| TBD
| TBD
|
|
|
| October 2023
| TBD
| TBD
| PSLV ??
| PSLV ??

Latest revision as of 20:14, 28 June 2022


Oceansat
ManufacturerISRO
Country of originIndia
OperatorISRO
ApplicationsOceanographic studies
Specifications
BusIRS
Launch mass~1,000 kg (2,200 lb)
EquipmentOcean Colour Monitor
Pencil beam scatterometer
Microwave radiometer
Radio Occultation Sounder for Atmosphere
RegimeSSO
Dimensions
Production
StatusOperational
Launched3 (including 1 continuity support mission)
Operational2 (including 1 continuity support mission)
Retired1
Maiden launchOceansat-1 (1999)
Last launchSCATSAT-1 (2016)

Oceansat is a series of earth observation satellites built, launched, and operated by Indian Space Research Organisation, and dedicated to oceanography and atmospheric studies. Oceansat satellites facilitate a range of applications including documenting chlorophyll concentration, phytoplankton blooms, atmospheric aerosols and particulate matter[1] as well as marine weather forecast to predict cyclones.[2]

Satellites[edit]

Oceansat-1[edit]

Main article: Oceansat-1

OceanSat-1 was the first Indian satellite built specifically for oceanographic applications. The satellite carried an Ocean Colour Monitor (OCM) and a multi-frequency scanning microwave radiometer.[3] Oceansat-1 was launched on board a PSLV rocket on 26 May 1999.[4]

It was capable of detecting eight spectrums ranging from 400 nm to 885 nm, all in the visible or near infrared spectrums.[5] The second, the Multi-frequency Scanning Microwave Radiometer, collects data by measuring microwave radiation passing through the atmosphere over the ocean.[6] This offers information including sea surface temperature, wind speed, cloud water content, and water vapour content.[1][6]

Although initially launched with a lifespan of 5 years, Oceansat-1 completed its mission on August 8, 2010, after serving for 11 years and 2 months.

Oceansat-2[edit]

Main article: Oceansat-2

Oceansat-2 is designed to provide service continuity for operational users of the Ocean Colour Monitor (OCM) instrument on Oceansat-1 and enhance the potential of applications in other areas.[7]

A swath width of 1420 km is provided. An along-track instrument tilt capability of ±20º is provided to avoid sun glint.[8]

Satellite was launched aboard a PSLV-CA on 23 September 2009.[9]

SCATSAT-1[edit]

Main article: SCATSAT-1

SCATSAT-1 was launched in 2016[10] after SCAT (Scanning scatterometer) on Oceansat-2 became dysfunctional after its life span of four-and-a-half years. SCATSAT carries a Ku-band scatterometer similar to the one on Oceansat-2.[11]

Oceansat-3[edit]

Expected to be launched between August–September 2022,[12] Oceansat-3 will provide continuity to operators of OCM and enhanced ability in other applications by way of simultaneous Sea Surface Temperature (SST) measurements.[13][14] As of March 2021, ISRO and CNES completed interface control document to accommodate Argos in Oceansat-3.[15]

Launch schedule[edit]

Designation COSPAR ID NORAD ID Power Launch date, Time (UTC) Launch mass Launch vehicle Launch site Status Remarks
Oceansat-1/IRS-P4 1999-029C 25758 750 W 26 May 1999, 06:22:00 1,036 kg (2,284 lb) PSLV-G C2 FLP, SDSC Retired Completed a life a span more than double of planned.
Oceansat-2 2009-051A 35931 23 September 2009, 06:21 960 kg (2,120 lb) PSLV-CA C14 SLP, SDSC Operational Tilt ability up to 20 degrees
SCATSAT-1 2016-059H 41790 26 September 2016, 03:42 371 kg (818 lb) PSLV-G C35 FLP, SDSC Operational Continuity mission after SCAT on Oceansat-2 got dysfunctional
EOS-06/Oceansat-3 TBD TBD August - September 2022 PSLV C54 SDSC Planned
Oceansat-3A TBD TBD October 2023 TBD PSLV ?? SDSC Planned

See also[edit]

References[edit]

  1. ↑ 1.0 1.1 "IRS-P4 - Gunter's Space Page". Gunter's Space Page. Retrieved 9 December 2019.
  2. ↑ "To predict cyclone, ISRO to build advanced satellite". The Indian Express. 27 May 2015. Retrieved 9 December 2019.
  3. ↑ "Oceansat(IRS-P4)". Indian Space Research Organisation. 26 May 1999. Retrieved 9 December 2019.
  4. ↑ "PSLV-C2/IRS-P4". Indian Space Research Organisation. 26 May 1999. Retrieved 9 December 2019.
  5. ↑ Recent Advances In Environmental Science. Discovery Publishing House. 1 January 2003. p. 350. ISBN 978-81-7141-679-0.
  6. ↑ 6.0 6.1 Sastry, Hari Ram Subrahmanya; Ebenezer, D. D.; Sundaram, T. V. S. (2002). Proceedings of theInternational conference on SonarSensors of Systems, Vol. 2. Allied Publishers. p. 635. ISBN 978-81-7764-382-4.
  7. ↑ "Oceansat-2)". Indian Space Research Organisation. 23 September 2009. Retrieved 9 December 2019.
  8. ↑ "Oceansat 2". Gunter's Space Page. Retrieved 9 December 2019.
  9. ↑ "PSLV-C14 / OCEANSAT-2". Indian Space Research Organisation. 23 September 2009. Retrieved 9 December 2019.
  10. ↑ "PSLV-C35 / SCATSAT-1". Indian Space Research Organisation. 26 September 2016. Retrieved 9 December 2019.
  11. ↑ "SCATSAT-1". Indian Space Research Organisation. 26 September 2016. Retrieved 9 December 2019.
  12. ↑ Chethan Kumar (6 April 2022). "gaganyaan: 2 Gaganyaan abort tests in August, December; relay satellites next year | India News - Times of India". The Times of India. Retrieved 8 April 2022.
  13. ↑ "Oceansat 3, 3A". Gunter's Space Page. Retrieved 9 December 2019.
  14. ↑ "Isro aims for 7 more launches from India in 2021". Times of India. 12 March 2021.
  15. ↑ "India, France Working On 3rd Joint Space Mission, Says ISRO Chairman". NDTV. 20 March 2021. Retrieved 21 March 2021.{{cite web}}: CS1 maint: url-status (link)
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