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. [1] [2] 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. [3] [4] [5]
The Indian National Satellite System or INSAT, is a series of multipurpose geostationary satellites launched by the Indian Space Research Organisation (ISRO) to satisfy telecommunications, broadcasting, meteorology, and search and rescue operations. Commissioned in 1983, INSAT is the largest domestic communication system in the Indo-Pacific Region. It is a joint venture of the Department of Space, Department of Telecommunications, India Meteorological Department, All India Radio and Doordarshan. The overall coordination and management of INSAT system rests with the Secretary-level INSAT Coordination Committee.
Indian Space Research Organisation is India's national space agency. It operates as the principal research and development arm of the Department of Space (DoS), which is directly overseen by the Prime Minister of India, with the Chairman of ISRO also serving as the chief executive of the DoS. ISRO has the world's largest constellation of remote-sensing satellites and operates the GAGAN and IRNSS (NavIC) satellite navigation systems. It has sent three missions to the Moon and one to Mars. ISRO is primarily responsible for space-based operations, space exploration, international space cooperation and the development of related technologies.
Antrix Corporation Limited is an Indian government-owned company under the administrative control of the Department of Space. It was incorporated in September 1992, as a commercial and marketing arm of ISRO by prompting, commercially delivering and marketing products and services emanating from ISRO. It provides major technical consultancy services and transfers technologies to industry.
A satellite bus is the main body and structural component of a satellite or spacecraft, in which the payload and all scientific instruments are held.
Afghansat 1, formerly named Eutelsat W2M, Eutelsat 48B, Eutelsat 28B is a telecommunications satellite operated by Afghanistan's Ministry of Communications and Information Technology.
INSAT 3E is a defunct communication satellite built by Indian Space Research Organisation. It was launched on September 28, 2003, from the European Space Agency's spaceport in French Guiana on board the Ariane rocket. The satellite had a launch mass of 2750 kilograms. It is the 4th satellite launched in the INSAT-3 series for INSAT. It was designed for providing high-speed communication, Television, VSAT & Tele-education services and was an important landmark in Indian Space Programme.
INSAT-4A was the first one in the INSAT-4 Satellites series, providing services in the Ku and C band frequency bands. At the time of launch, it was the heaviest satellite India had produced. The Ku transponders cover the Indian main land and C-Band transponders cover an extended area. It has a dozen Ku transponders and another dozen of C-band transponders. This spacecraft was placed at 83°E along with INSAT-2E and INSAT-3B, by Ariane launch vehicle (ARIANE5-V169).
INSAT-4CR was a communications satellite operated by ISRO as part of the Indian National Satellite System. Launched in September 2007, it replaced the INSAT-4C satellite which had been lost in a launch failure the previous year. The satellite was initially stationed in geostationary orbit at a longitude of 74 degrees east, with expected operational life of at least ten years, however this may have been reduced by the underperformance of the Geosynchronous Satellite Launch Vehicle which placed it into orbit. INSAT-4CR is planned to be replaced by GSAT-31, which was launched on February 6, 2019.
GSAT-10 is an Indian communication satellite which was launched by Ariane-5ECA carrier rocket in September 2012. It has 12 KU Band, 12 C Band and 6 lower extended c band transponders, and included a navigation payload to augment GAGAN capacity. Following its launch and on-orbit testing, it was placed in Geosynchronous orbit at 83.0° East, from where it will provide communication services in India.
This page includes a list of satellite buses, of which multiple similar artificial satellites have been, or are being, built to the same model of structural frame, propulsion, spacecraft power and intra-spacecraft communication. Only commercially available buses are included, thus excluding series-produced proprietary satellites operated only by their makers.
GSAT-7 or INSAT-4F is a multi-band military communications satellite developed by the Indian Space Research Organisation. The Indian Navy is the user of the multi-band communication spacecraft, which has been operational since September 2013. According to defense experts, the satellite will enable the navy to extend its blue water capabilities and stop relying on foreign satellites like Inmarsat, which provide communication services to its ships.
INSAT-4B was an Indian communications satellite which forms part of the Indian National Satellite System. Launched in 2007, it was placed in geostationary orbit at a longitude of 93.48° East.
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.
I-1K 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.
I-4K is a satellite bus being developed by Indian Space Research Organisation (ISRO). It will be a standard bus for 4,000–6,500 kg (8,800–14,300 lb) class communication satellites; 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.
GSAT-29 is a high-throughput communication satellite developed by the Indian Space Research Organisation (ISRO). The mission aims at providing high-speed bandwidth to Village Resource Centres (VRC) in rural areas. The two Ku and Ka operational payloads will provide communication services to Jammu and Kashmir and Northeast India under Digital India programme. At the time of launch GSAT-29 was the heaviest satellite, weighing 3,423 kg (7,546 lb), that was placed in orbit by an Indian launch vehicle. Approved cost of GSAT-29 is ₹175.63 crore (US$21 million).
I-6K is a Satellite bus developed by Indian Space Research Organisation (ISRO) It will be a standard bus for 4,000–6,500 kg (8,800–14,300 lb) 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.
GSAT-30 is a telecommunications satellite developed by the Indian Space Research Organisation (ISRO).
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