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{{Infobox rocket launch
|rocket=[[PSLV-CA]]
|launch=30 June 2022 <br> 12:32 ([[UTC]])
|image=File:PSLV-C53, DS-EO - Lifting off from Second Launch Pad of SDSC-SHAR 03 (cropped).jpg
|caption=PSLV-C53/DS-EO lifting off from Second Launch Pad of SDSC-SHAR on 30 June 2022.
|pad=[[Satish Dhawan Space Centre]]
|payload=
{{flagicon|Singapore}} DS-EO <br>
{{flagicon|Singapore}} NeuSAR <br>
{{flagicon|Singapore}} SCOOB-1 <br>
{{flagicon|India}} 6× Smaller payloads hosted on POEM-1 (PSLV Orbital Experimental Module-1)
|succession=[[List of PSLV launches|PSLV launches]]
|previous=[[PSLV-C52]]
|next=[[PSLV-C54]]}}

The '''PSLV-C53''' is the 55th mission of the [[Polar Satellite Launch Vehicle]] (PSLV) and 15th mission using PSLV-Core Alone variant. PSLV-C53 is the second dedicated commercial mission of [[New Space India Limited|NSIL]].

== Details ==
The PSLV-C53 will be launched in its Core Alone configuration from the [[Second Launch Pad]] of the [[Satish Dhawan Space Centre]] in Sriharikota, Andhra Pradesh, India. It will carry three primary payloads DS-EO, NeuSAR and SCOOB-1.<ref name="dseo">{{Cite web |title=PSLV-C53/DS-EO - ISRO |url=https://www.isro.gov.in/launcher/pslv-c53-ds-eo-mission |access-date=2022-06-23 |website=www.isro.gov.in |quote=PSLV-C53 carries three satellites. DS-EO, a 365 kg and NeuSAR, a 155 kg satellite both belonging to Singapore. Third satellite is a 2.8 kg Scoob-1 of Nanyang Technological University (NTU), Singapore. |archive-date=2022-06-23 |archive-url=https://web.archive.org/web/20220623140421/https://www.isro.gov.in/launcher/pslv-c53-ds-eo-mission |url-status=live }}</ref><ref>{{Cite web |last=Auto |first=Hermes |date=2022-07-02 |title=S'pore launches three new satellites into space for security, climate, disaster monitoring {{!}} The Straits Times |url=https://www.straitstimes.com/singapore/environment/spore-launches-three-new-satellites-into-space-for-security-climate-disaster-monitoring |access-date=2022-07-02 |website=www.straitstimes.com |language=en |archive-date=2022-07-01 |archive-url=https://web.archive.org/web/20220701190232/https://www.straitstimes.com/singapore/environment/spore-launches-three-new-satellites-into-space-for-security-climate-disaster-monitoring |url-status=live }}</ref>

DS-EO satellite (365 kg) is an Electro-Optic, multi-spectral satellite with {{cvt|0.5|m}} resolution imaging capability for [[Defence Science and Technology Agency]],Singapore. NeuSAR (155 kg) is first Singaporean small commercial satellite with a [[Synthetic-aperture radar|SAR payload]], which is capable of imaging in day and night and under all weather conditions. SCOOB-I satellite (2.8 kg) is the first satellite in the Student Satellite Series (S{{Superscript|3}}-I) student training program by Satellite Research Centre (SaRC) at Singapore's NTU School of Electrical and Electronic Engineering.

===PSLV Orbital Experimental Module===
[[File:PSLV-C53, DS-EO - Render of PSLV Orbital Experimental Module (POEM) without DLA upper.png|thumb|Render of PSLV Orbital Experimental Module (POEM) aka PS4 Orbital Platform without Dual Launch Adapter (upper)]]
The '''PSLV Orbital Experimental Module (POEM)''' also known as PS4 Orbital Platform (PS4-OP) utilizes the spent PSLV fourth stage (PS4) to provide a long duration in-orbit platform for hosting payloads. This would be first time that such PS4 based orbital platform would orbit the Earth as an actively stabilized platform post completion of main mission. Attitude stabilization is done using eight Helium based [[cold gas thruster]]s and a dedicated NGC system. Previously on [[PSLV-C45|PSLV C45]] mission the PS4-OP was put in [[Spin-stabilisation|spin-stabilized]] mode using RCS thrusters of fourth stage.<ref>{{Cite web |date=16 June 2021 |title=Opportunity for Scientific Experiments on PSLV Upper Stage Orbital Platform |url=https://www.unoosa.org/documents/pdf/psa/hsti/Hyper-Microgravity_Webinar2021/Hyper-Microgravity_Webinar2021/9_RegionalActivities/R._Senan_Hypermicrogravity_ISRO.pdf |access-date=9 July 2022 |archive-date=11 May 2022 |archive-url=https://web.archive.org/web/20220511124609/http://www.unoosa.org/documents/pdf/psa/hsti/Hyper-Microgravity_Webinar2021/Hyper-Microgravity_Webinar2021/9_RegionalActivities/R._Senan_Hypermicrogravity_ISRO.pdf |url-status=live }}</ref>

For power generation and storage, POEM has solar panels mounted around the propellant tank of PS4 and a [[Lithium-ion battery|Li-Ion battery]]. Additionally four [[sun sensor]]s, a magnetometer, gyros & [[Indian Regional Navigation Satellite System|NavIC]] are used for navigation. POEM also has its own telecommand package.

POEM hosts six payloads including two from Indian aerospace start-ups enabled though [[NewSpace India Limited|NSIL]] and IN-SPACe.<ref>{{Cite web |date=June 25, 2012 |first=Chethan |last=Kumar |title=Bengaluru's Digantara, Hyderabad startup Dhruva become first to get IN-SPACe authorisation |url=https://timesofindia.indiatimes.com/india/bengaluru-digantara-hyderabad-startup-dhruva-become-first-to-get-in-space-authorisation/articleshow/92460375.cms |access-date=2022-06-26 |website=The Times of India |language=en |archive-date=2022-06-25 |archive-url=https://web.archive.org/web/20220625153537/https://timesofindia.indiatimes.com/india/bengaluru-digantara-hyderabad-startup-dhruva-become-first-to-get-in-space-authorisation/articleshow/92460375.cms |url-status=live }}</ref><ref>{{Cite web |title=PSLV-C53/DS-EO mission |url=https://www.isro.gov.in/sites/default/files/article-files/pslv-c53-ds-eo-mission/pslv-c53-ds-eo-mission-brochure-english/brochure_pslv_c53-ds-eo_mission_english.pdf |archive-url=https://web.archive.org/web/20220705162540/https://www.isro.gov.in/sites/default/files/article-files/pslv-c53-ds-eo-mission/pslv-c53-ds-eo-mission-brochure-english/brochure_pslv_c53-ds-eo_mission_english.pdf |archive-date=5 July 2022}}</ref> Five of those were mentioned in press-kit.

* DSOD-1U Small satellite deployer by Dhruva Space<ref>{{Cite web |title=Dhruva Space Private Limited |url=https://www.dhruvaspace.com/news/dhruva-space-satellite-orbital-deployer-successful-space-qualification-isro-pslv-c53 |access-date=2022-07-02 |website=www.dhruvaspace.com |archive-date=2022-06-30 |archive-url=https://web.archive.org/web/20220630192706/https://www.dhruvaspace.com/news/dhruva-space-satellite-orbital-deployer-successful-space-qualification-isro-pslv-c53 |url-status=live }}</ref>
* ROBI (ROBust Integrating proton fluence metre) by Digantara Research and Technologies
* Software Defined Radio based Telemetry Multi-Media Transmitter (SDRT-MTx)
* UHF Transmitter
* OP-VIS - Configured with one GVIS and two cameras
POEM is also carrying [[preamble to the Constitution of India]] bearing [[flag of India|Indian flag]].<ref>{{Cite web |title=పీఎస్‌ఎల్‌వీ-సి53లో నూతన సాంకేతికత |url=https://www.eenadu.net/telugu-news/related-stories/general/2505/122117906 |access-date=2022-07-06 |website=EENADU |language=te |archive-date=2022-07-06 |archive-url=https://web.archive.org/web/20220706195945/https://www.eenadu.net/telugu-news/related-stories/general/2505/122117906 |url-status=live }}</ref><ref>{{Cite web |author=News9 Staff |date=2022-09-08 |title=Har Ghar Tiranga happened in Antriksh. ISRO did hoist the Indian flag in Space! |url=https://www.news9live.com/india/har-ghar-tiranga-happened-in-antriksh-isro-did-hoist-the-indian-flag-in-space-194691 |access-date=2022-09-09 |website=NEWS9LIVE |language=en}}</ref>

== Launch schedule ==
Flight serial 'C53' was earlier assigned to EOS-06/Oceansat-3 satellite from March 2021<ref>{{Cite web |title=Unstarred question no. 2587 to be answered on Wednesday, March 10, 2021: Missions of ISRO |url=http://164.100.24.220/loksabhaquestions/annex/175/AU2587.pdf |access-date=July 9, 2022 |archive-date=March 13, 2021 |archive-url=https://web.archive.org/web/20210313165009/http://164.100.24.220/loksabhaquestions/annex/175/AU2587.pdf |url-status=live }}</ref> to at least April 2022<ref>{{Cite web |title=Monthly Summary of Department of Space for the month of April 2022 |url=https://www.isro.gov.in/sites/default/files/article-files/monthly-summary-of-department-of-space-last-1-year/april_2022_-_monthly_summary.pdf |access-date=2022-07-09 |archive-date=2022-05-24 |archive-url=https://web.archive.org/web/20220524140324/https://www.isro.gov.in/sites/default/files/article-files/monthly-summary-of-department-of-space-last-1-year/april_2022_-_monthly_summary.pdf |url-status=live }}</ref> but was later given to DS-EO campaign.<ref>{{Cite web |title=Monthly Summary of Department of Space for the month of May 2022 |url=https://www.isro.gov.in/sites/default/files/article-files/monthly-summary-of-department-of-space-last-1-year/may_-_2022_-_monthly_summary.pdf |access-date=2022-07-09 |archive-date=2022-06-27 |archive-url=https://web.archive.org/web/20220627143411/https://www.isro.gov.in/sites/default/files/article-files/monthly-summary-of-department-of-space-last-1-year/may_-_2022_-_monthly_summary.pdf |url-status=live }}</ref>

Launch of PSLV-C53 was launched at 12:32 (UTC) on 30 June 2022 from Second Launch Pad at Satish Dhawan Space Centre, Sriharikota.<ref name="dseo" /><ref>{{Cite web |title=NSIL’s Second Dedicated commercial launch “PSLV-C53/ DS-EO Mission” successfully accomplished on 30th June 2022 |url=https://www.nsilindia.co.in/sites/default/files/Press%20Release%20-%20PSLV%20C-53%20DS-EO%20Mission.pdf |access-date=2022-07-09 |archive-date=2022-07-01 |archive-url=https://web.archive.org/web/20220701125243/https://www.nsilindia.co.in/sites/default/files/Press%20Release%20-%20PSLV%20C-53%20DS-EO%20Mission.pdf |url-status=live }}</ref>

== References ==
{{Reflist}}

{{PSLV}}

[[Category:Polar Satellite Launch Vehicle]]
[[Category:Spacecraft launched by India in 2022]]
[[Category:June 2022 events in India]]
[[Category:Rocket launches in 2022]]

PSLV-C53 - Revision history

Ajay Kumar: Created a new article