I-6K is a Satellite bus developed by Indian Space Research Organisation (ISRO) [1] It will be a standard bus for 4,000–6,500 kg (8,800–14,300 lb) class communication satellites;[2] 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.


  1. ^ "GSAT-11 Mission - ISRO". www.isro.gov.in.
  2. ^ "ISRO: I-6K (I-6000) Bus". space.skyrocket.de.