INSAT Satellite bus

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.

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. 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.

Design The I-1K bus can be used for satellites in the lightweight category, with a launch mass between . Its dimensions are . I-1K's dry mass is and can support payloads of . Its power systems can supply between 500 and 1000 watts. The average transponder life is 7 years which can be extended up to 12 years.

List of satellites launched using I-1K platform Kalpana-1 GSAT-12 IRNSS series (1A 1B 1C 1D 1E 1F 1G 1H 1I) Chandrayaan-1 Mars Orbiter Mission Aditya-L1 Mission

I-2K

I-2K is a satellite bus developed by Indian Space Research Organisation (ISRO), and marketed by Antrix Corporation. 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. I-2K platform is targeted towards satellites in liftoff mass in range of 1500–2500 kg.

Features of I-2K Launch Mass: . Dimensions: 1.65 * 1.53m in plan & 3.0m in height. Dry Mass: . Payload Mass: . Total Power: 2800 W. Payload Power: 2400 W. Transponder: 12 - 18. Mission Life: 12 - 15 Years.

List of satellites launched using I-2K platform INSAT series (3B 3C 3D 3DR 3E 4C 4CR) IRS series (1C 1D P3) GSAT series (1 2 3 (EDUSAT) 4 5P 6 6A 7 7A 9 14 31) HYLAS-1

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. 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.

List of satellites launched using I-3K bus Eutelsat W2M (Now Afghansat 1) INSAT series (4A 4B) GSAT series (8 10 16 15 18 19 17 24 29 30) Chandrayaan-3 (Propulsion module) NISAR

I-4K I-4K is a satellite bus being developed by the Indian Space Research Organisation (ISRO).Indian Space Research Organisation - Current ProgrammesGSAT-11 It will be a standard bus for class communication satellites.ISRO: I-3K (I-3000) Bus 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.

List of satellites being developed with I-4K bus GSAT series

I-6K I-6K is a Satellite bus developed by Indian Space Research Organisation (ISRO) It will be a standard bus for class communication satellites; 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.

INSAT Satellite bus

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