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.

Design

 * The I-1K bus can be used for satellites in the lightweight category, with a launch mass between 1050 and 1100 kg.
 * Its dimensions are 1.505 x.
 * I-1K's dry mass is 500 kg and can support payloads of 100 kg.
 * 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