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Microsat (ISRO)

Not to be confused with Microsat-R.
Microsat-TD
OperatorISRO
COSPAR ID2018-004T Edit this at Wikidata
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

References

  1. ^ a b Kumar, Anil. "India's Efforts in Space Debris Management" (PDF). Retrieved 19 February 2022.
  2. ^ "Official page of MICROSAT". ISRO. January 12, 2018. Archived from the original on January 25, 2018. Retrieved January 24, 2018.
  3. ^ "ISRO's maiden century". The Hindu. 12 January 2018. Retrieved January 24, 2018.
  4. ^ "ISRO's night images". Times of India. 23 January 2018. 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. Archived from the original on 2020-11-30. Retrieved 2020-12-04.
  7. ^ "ISRO upbeat over PSLV- C38 mission success". The Hindu. 2017-06-23. ISSN 0971-751X. Retrieved 2020-12-04.
  8. ^ rajasekhar, pathri (2017-06-20). "Isro to lower rocket's altitude". Deccan Chronicle. Retrieved 2020-12-04.
  9. ^ "PSLV-C40 Brochure". ISRO. Archived from the original on January 25, 2018. 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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