Cartosat-3
Render of Cartosat-3 satellite in deployed configuration
NamesCartoSat-3
Mission typeEarth Observation
OperatorISRO
COSPAR ID2019-081A
SATCAT no.44804
Websitehttps://www.isro.gov.in/
Mission duration5 years (planned)
4 years, 1 month and 20 days (in progress)
Spacecraft properties
SpacecraftCartoSat-3
BusIRS-2
ManufacturerIndian Space Research Organisation
Launch mass1,625 kg (3,583 lb) [1]
Power2000 watts
Start of mission
Launch date27 November 2019, 03:58 UTC[2]
RocketPolar Satellite Launch Vehicle-XL, PSLV-C47
Launch siteSatish Dhawan Space Centre, Second Launch Pad (SLP)
ContractorIndian Space Research Organisation
Entered service24 February 2020
Orbital parameters
Reference systemGeocentric orbit
RegimeSun-synchronous orbit
Periapsis altitude450 km (280 mi)
Apoapsis altitude450 km (280 mi)
Inclination97.5°
Period100.0 minutes
Instruments
Panchromatic Camera (PAN)
Multispectral VNIR (MX)
 

Cartosat-3 is an advanced Indian Earth observation satellite built and developed by Indian Space Research Organisation (ISRO), which replaces the Indian Remote Sensing Satellite (IRS) series. It has a panchromatic resolution of 0.25 metres making it one of the imaging satellite with highest resolution in the world at the time of launch and MX of 1 metre with a high quality resolution which is a major improvement from the previous payloads in the Cartosat series.[3][4][5]

Potential uses include weather mapping, cartography or defence, and strategic applications.[3]

Overview

Cartosat-3 has a resolution of 25 cm (10").[6] It uses 1.2 m optics with 60% of weight removal compared to Cartosat-2. Other features include the use of adaptive optics, acousto optical devices, in-orbit focusing using MEMs and large area-light weight mirrors and advanced sense with a high quality resolution. It has a planned mission life of 5 years.[7] Approved cost of Cartosat-3 is ₹351.16 crore (US$44 million).[8]

History

Cartosat-3 is the 3rd generation of high-resolution imaging satellites developed by ISRO.[9] It was developed in response to increased demand for imaging services to address urban planning, rural resource and infrastructure development needs.[10]

Launch

PSLV-C47 lifting off from Second Launch Pad (SLP) with Cartosat-3.

PSLV-C47 carrying Cartosat-3 was launched on 27 November 2019 at 03:58 UTC using XL variant of Polar Satellite Launch Vehicle from the Second Launch Pad (SLP) of Satish Dhawan Space Centre into a Sun-synchronous orbit of 450 kilometers. Thirteen commercial ride-sharing 3U cubesats including twelve SuperDoves (Flock-4p)[11] by Planet Labs and one Meshbed by Analytical Space of United States were also put in orbit using the same launch vehicle.[7][12] Commercial ride-share was arranged by NewSpace India Limited, Spaceflight Industries and ISILaunch.[13][14]

See also

References

  1. ↑ "PSLV C47/Cartosat-3 Mission Launch Kit" (PDF). Archived from the original (PDF) on 19 November 2019. Retrieved 27 November 2019.
  2. ↑ "PSLV-C47 successfully launches Cartosat-3 and 13 Commercial nanosatellites into Sun-Synchronous Polar Orbit". Archived from the original on 27 November 2019. Retrieved 27 November 2019.
  3. 1 2 Prasad, Narayan (28 November 2019). "Cartosat-3 in space — here is how ISRO can now exploit its full potential". The Print. Retrieved 2 December 2019.
  4. ↑ "ISRO reschedules CARTOSAT 3 launch to November 27". Economic Times. Retrieved 23 November 2019.
  5. ↑ Vaitheesvaran, Bharani (22 November 2019). "ISRO's Cartosat-3 launch next week". Economic Times. Retrieved 23 November 2019.
  6. ↑ N. Gopal Raj. "ISRO plans a new high-resolution earth satellite". The Hindu. Archived from the original on 19 January 2018. Retrieved 19 January 2018.
  7. 1 2 "ISRO's tracking centre assumes control of CARTOSAT-3". The Hindu. 27 November 2019. Retrieved 27 November 2019.
  8. ↑ "Government of India, Department of Space, Lok Sabha: Starred Question No. 232 to be answered on Wednesday, August 04, 2021" (PDF). 4 August 2021. Archived (PDF) from the original on 4 August 2021. Retrieved 4 August 2021.
  9. ↑ "PSLV-C47 / Cartosat-3 Mission". Archived from the original on 28 November 2019. Retrieved 23 November 2019.
  10. ↑ "Cartosat-3". Archived from the original on 3 December 2019. Retrieved 5 March 2020.
  11. ↑ "12 SuperDove Satellites Hitching a Ride to Orbit on the PSLV". Retrieved 27 November 2019.
  12. ↑ Clark, Stephen. "PSLV delivers India's highest-resolution Earth observation satellite to orbit". Spaceflight Now. Retrieved 27 November 2019.
  13. ↑ "Successful ISILAUNCH29 campaign". ISILaunch. 27 November 2019. Retrieved 27 November 2019.
  14. ↑ "Getting Meshbed to Space!". Spaceflight. 14 October 2019. Retrieved 27 November 2019.
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