Engineering:INSAT Satellite bus

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Short description: Series of Indian satellite buses


The INSAT Satellite Bus is a series of satellite buses that have been manufactured by the Indian Space Research Organisation and marketed by NewSpace India Limited. It consist of five different versions; I-1K, I-2K, I-3K, I-4K& I-6K.[1]

I-1K

I-1K (also referred to as INSAT-1000) is a satellite bus developed by the Indian Space Research Organisation (ISRO) and marketed by Antrix Corporation.[2] The I-1K bus is designed to be compatible with lightweight geostationary satellites and is commonly used for meteorological satellites.The IRS or Indian Remote Sensing Satellite bus are also built on I-1K.[1]

Design

  • The I-1K bus can be used for satellites in the lightweight category, with a launch mass between 1,050 and 1,100 kilograms (2,310 and 2,430 lb).
  • Its dimensions are 1.505 m × 1.476 m × 1.530 m (4.94 ft × 4.84 ft × 5.02 ft).
  • I-1K's dry mass is 500 kg (1,100 lb) and can support payloads of 100 kg (220 lb).
  • Its power systems can supply between 500 and 1000 watts.[3]
  • The average transponder life is 7 years which can be extended up to 12 years.

List of satellites launched using I-1K platform

I-2K

I-2K is a satellite bus developed by Indian Space Research Organisation (ISRO), and marketed by Antrix Corporation.[6] It is a standard bus for 2,000 kg class satellites; the 'I' in I-2K stands for INSAT, a group of communication satellites developed and launched by ISRO. The satellite buses developed by ISRO are specifically developed for small and medium weight satellites. I-2K spacecraft bus can supply DC power up to 3000 watts.[7] I-2K platform is targeted towards satellites in liftoff mass in range of 1500–2500 kg.[8]

Features of I-2K

  • Launch Mass: 2,000–2,300 kg (4,400–5,100 lb).
  • Dimensions: 1.65 * 1.53m in plan & 3.0m in height.
  • Dry Mass: 600–950 kg (1,320–2,090 lb).
  • Payload Mass: 160–200 kg (350–440 lb).
  • Total Power: 2800 W.
  • Payload Power: 2400 W.
  • Transponder: 12 - 18.
  • Mission Life: 12 - 15 Years.[9]

List of satellites launched using I-2K platform

I-3K

I-3K or the INSAT 3000 is a satellite bus developed by Indian Space Research Organisation (ISRO), and marketed by Antrix Corporation and New Space India Ltd.[13][14] It is the standard bus for 3,000-kg class satellites; the 'I' in I-3K stands for INSAT, a group of communication satellites developed and launched by ISRO. The I-3K bus can supply DC power up to 6500 watts, and is suitable for satellites with lift-off mass in range of 3,000-3,400 kg.[15][16][17]

List of satellites launched using I-3K bus

I-4K

I-4K is a satellite bus being developed by the Indian Space Research Organisation (ISRO).[22][23] It will be a standard bus for 4,000–6,500 kg (8,800–14,300 lb) class communication satellites.[24] The I in I-4K stands for INSAT, a group of communication satellites developed and launched by ISRO. The I-4K spacecraft bus can supply DC power of 10 to 15 kilowatts.[22][25]

List of satellites being developed with I-4K bus

I-6K

I-6K is a Satellite bus developed by Indian Space Research Organisation (ISRO) [26] It will be a standard bus for 4,000–6,500 kg (8,800–14,300 lb) class communication satellites;[27] the I in I-6K stands for INSAT and 6 signifies that it can support satellites up to 6,000 kg in weight. The I-6K spacecraft bus can supply DC power of 10 to 15 kilowatts.

See also

References

  1. ↑ 1.0 1.1 "Communication Satellite Platform | NSIL". https://www.nsilindia.co.in/communication-satellite-platform. 
  2. ↑ "Spacecraft Systems and Subsystems". Antrix Corporation. 2010. http://www.antrix.gov.in/sss_systems.html. Retrieved February 7, 2014. 
  3. ↑ "INSAT 1000 spacecraft bus". Antrix Corporation. http://www.antrix.gov.in/I-1K.pdf. Retrieved December 30, 2013. 
  4. ↑ "ISRO: I-1K (I-1000) Bus". Skyrocket.de. http://space.skyrocket.de/doc_sat/isro_i1k.htm. Retrieved December 30, 2013. 
  5. ↑ "Mars Orbiter Spacecraft". ISRO. January 2014. http://www.isro.org/mars/spacecraft.aspx. Retrieved November 6, 2013. 
  6. ↑ "Antrix Corporation Ltd - Satellites > Spacecraft Systems & Sub Systems". http://www.antrix.gov.in/sss_systems.html. 
  7. ↑ "SPACECRAFT SYSTEMS AND SUB SYSTEMS". Antrix Corporation. http://www.antrix.gov.in/sss_systems.html. Retrieved December 19, 2013. 
  8. ↑ "Future Programmes". ISRO. http://www.isro.org/scripts/futureprogramme.aspx. Retrieved December 19, 2013. 
  9. ↑ "INSAT 2000 spacecraft bus". Antrix Corporation. pp. 2. http://www.antrix.gov.in/I-2K.pdf. 
  10. ↑ "The Indian GSAT Satellites". ISRO. pp. 5. http://www.scatmag.com/technical/techarticle_nov09.pdf. Retrieved December 19, 2013. 
  11. ↑ "ISRO: I-2K (I-2000) Bus". skyrocket.de. http://space.skyrocket.de/doc_sat/isro_i2k.htm. Retrieved December 19, 2013. 
  12. ↑ "ISRO: GSAT-31". ISRO. https://www.isro.gov.in/Spacecraft/gsat-31. Retrieved February 6, 2019. 
  13. ↑ "Communication Satellite Platform | NSIL". http://nsilindia.co.in/communication-satellite-platform. 
  14. ↑ "Antrix Corporation Ltd - Satellites > Spacecraft Systems & Sub Systems". http://www.antrix.gov.in/sss_systems.html. 
  15. ↑ "INSAT 3000 Spacecraft Bus". http://www.antrix.gov.in/I-3K.pdf. 
  16. ↑ "SPACECRAFT SYSTEMS AND SUB SYSTEMS". Antrix - ISRO. http://www.antrix.gov.in/sss_systems.html. Retrieved 5 January 2014. 
  17. ↑ "Constrained cooperation". Frontline. 17 July 2004. http://www.frontline.in/static/html/fl2115/stories/20040730004610500.htm. Retrieved 5 January 2014. 
  18. ↑ "ISRO: I-3K (I-3000) Bus". Space Skyrocket. http://space.skyrocket.de/doc_sat/isro_i3k.htm. Retrieved 5 January 2014. 
  19. ↑ "EADS Astrium-ISRO alliance sealed First contract with Eutelsat for W2M satellite". Space Ref. 20 February 2006. https://spacenews.com/eads-astrium-isro-alliance-sealed-first-contract-with-eutelsat-for-w2m-satellite/. 
  20. ↑ "India's GSAT-10 Continues Checkout". Space Ref. 17 August 2012. http://spaceref.biz/2012/08/indias-gsat-10-continues-checkout.html. Retrieved 5 January 2014. 
  21. ↑ "Chandrayaan-3 Landing Brochure". https://www.isro.gov.in/NSPD2024/assets/pdf/CH3%20Landing%20Brochure-Pagewise.pdf. 
  22. ↑ 22.0 22.1 Indian Space Research Organisation - Current Programmes
  23. ↑ GSAT-11
  24. ↑ ISRO: I-3K (I-3000) Bus
  25. ↑ "Outcome Budget 2011-2012". http://www.isro.org/pdf/OutcomeBudget2011-12.pdf. 
  26. ↑ "GSAT-11 Mission - ISRO". https://www.isro.gov.in/Spacecraft/gsat-11-mission. 
  27. ↑ "ISRO: I-6K (I-6000) Bus". https://space.skyrocket.de/doc_sat/isro_i6k.htm. 



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