Microsat (ISRO)

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]

Not to be confused with Microsat-R.
Microsat-TD
Operator ISRO
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
 

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

References
  1. Kumar, Anil. "India's Efforts in Space Debris Management" (PDF). Retrieved 19 February 2022.
  2. "Official page of MICROSAT". ISRO. January 12, 2018. Retrieved January 24, 2018.
  3. "ISRO's maiden century". The Hindu. Retrieved January 24, 2018.
  4. "ISRO's night images". Times of India. Retrieved January 23, 2018.
  5. "Images from INS-1C and Microsat - ISRO". www.isro.gov.in. Retrieved 2020-12-04.
  6. "PSLV Successfully Launches 31 Satellites in a Single Flight - ISRO". www.isro.gov.in. Retrieved 2020-12-04.
  7. "ISRO upbeat over PSLV- C38 mission success". The Hindu. Special Correspondent. 2017-06-23. ISSN 0971-751X. Retrieved 2020-12-04.{{cite news}}: CS1 maint: others (link)
  8. rajasekhar, pathri (2017-06-20). "Isro to lower rocket's altitude". Deccan Chronicle. Retrieved 2020-12-04.
  9. "PSLV-C40 Brochure". ISRO. Retrieved January 24, 2018.
  10. "Longest PSLV mission". INBA. Archived from the original on January 24, 2018. Retrieved January 24, 2018.
  11. Annadurai, Mylswami (January 2015). "User Interaction Meet NRSC 2015" (PDF). Archived (PDF) from the original on 27 March 2015.
  12. "Microsat". Archived from the original on 27 February 2018.
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