Engineering:Microsat (ISRO)

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Short description: Indian Earth observation satellite
Microsat-TD
PSLV-C40- Microsat-TD during pre-launch testing.jpg
OperatorISRO
COSPAR ID2018-004T
SATCAT no.43128
Mission durationPlanned: 10 months
Duration: 2 years, 10 months, 15 days
Spacecraft properties
BusIMS-1
ManufacturerISRO
Launch mass133.2 kilograms (294 lb)
Start of mission
Launch date12 January 2018
RocketPSLV-C40
Launch siteSatish Dhawan Space Centre (Sriharikota)
End of mission
DisposalOrbital decay
Decay date27 November 2020[1]
Orbital parameters
Reference systemGeocentric
RegimeSun-synchronous orbit
Periapsis altitude350 km (220 mi)
Apoapsis altitude350 km (220 mi)
Inclination96.87°
Period91.5 minutes
 

Microsat-TD was an Earth observing satellite developed by ISRO.[2] Its launch marked India's 100 satellites in space.[3] This satellite could capture images at night by imaging in infrared spectrum.[4][5]

Launch

MICROSAT-TD satellite was launched at 0359 UTC on 12 January 2018[6] by PSLV-C40 and its deployment profile was previously rehearsed on PSLV-C38 mission.[7][8] Microsat-TD was launched along with Cartosat-2F, INS-1C and 28 satellites from 6 countries[9] and separated 1 hour 45 minutes after first stage ignition.[10] Duration of PSLV C40 mission was 2 hours and 21 minutes, making it the longest mission of PSLV at that time.

Payload

Microsat-TD was IMS-1 based technology demonstrator carrying optical imaging payload in two bands.[11][12]

  • 0.8 meter resolution (panchromatic, 0.5 -0.85 µm) with 3.2 km swath
  • 6 meter resolution (IR,3.7-4.8 µm and 8-12 µm) with 2 km swath

End of mission

To reduce its orbital stay, Microsat-TD was de-orbited while depleting its left over propellant near the end of its life. Satellite reentered within a month, on 27 November 2020.[1]

See also

  • Microsat-R

References

  1. ↑ 1.0 1.1 Kumar, Anil. "India's Efforts in Space Debris Management". https://www.unoosa.org/documents/pdf/copuos/stsc/2022/19_INDIA_Item8_Indias_efforts_in_Space_Debris_Management.pdf. 
  2. ↑ "Official page of MICROSAT". ISRO. January 12, 2018. https://www.isro.gov.in/Spacecraft/microsat-0. 
  3. ↑ "ISRO's maiden century". The Hindu. 12 January 2018. http://m.thehindubusinessline.com/news/science/isro-launches-its-100th-satellite-into-space/article10027585.ece. 
  4. ↑ "ISRO's night images". Times of India. 23 January 2018. https://m.timesofindia.com/home/science/isro-releases-images-captured-by-microsat-and-nanosatellite/amp_articleshow/62622667.cms. 
  5. ↑ "Images from INS-1C and Microsat - ISRO". https://www.isro.gov.in/update/23-jan-2018/images-ins-1c-and-microsat. 
  6. ↑ "PSLV Successfully Launches 31 Satellites in a Single Flight - ISRO". https://www.isro.gov.in/update/12-jan-2018/pslv-successfully-launches-31-satellites-single-flight. 
  7. ↑ "ISRO upbeat over PSLV- C38 mission success" (in en-IN). The Hindu. 2017-06-23. ISSN 0971-751X. https://www.thehindu.com/news/national/isro-upbeat-over-pslv-c38-mission-success/article19136971.ece. 
  8. ↑ rajasekhar, pathri (2017-06-20). "Isro to lower rocket's altitude" (in en). http://www.deccanchronicle.com/science/science/200617/isro-to-lower-rockets-altitude.html. 
  9. ↑ "PSLV-C40 Brochure". ISRO. https://www.isro.gov.in/sites/default/files/flipping_book/PSLV-C40_Cartosat2SeriesMission/index.html#3. 
  10. ↑ "Longest PSLV mission". INBA. http://inba.tv/indias-100th-satellite-laucnched-isro/. 
  11. ↑ Annadurai, Mylswami (January 2015). "User Interaction Meet NRSC 2015". http://nrsc.gov.in/pdf/1.1.User%20Meet_NRSC_2015-01-21_Ver-2_Anna_durai.pdf. 
  12. ↑ "Microsat". http://www.isac.gov.in/earth-observation/html/microsat.jsp. 

External links



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