The INSAT-4B, an Indian communications satellite that is part of the Indian National Satellite System, has been deactivated by the Indian Space Research Organisation (ISRO). At the end of its career, the INSAT-4B underwent Post Mission Disposal (PMD), followed by deactivation on January 24.
INSAT-4B was a communications satellite operated by India that was a member of the Indian National Satellite System. It was established in 2007 and put in geostationary orbit at 93.48° East longitude.
INSAT-4B was developed by the Indian Space Research Organization and is based on the I-3K satellite bus. It weighed 3,028 kilograms upon launch, with a dry mass of 1,335 kilograms, and was anticipated to last twelve years. The satellite is composed of 2 solar arrays and has 12 C and 12 Ku band transponders as part of its communication payload.
INSAT-4B will be launched by Arianespace on an Ariane 5 ECA carrier rocket. The launch took place on March 11, 2007, at 22:03 UTC from ELA-3 at Kourou. The same rocket carried the Skynet 5A military communications satellite for the British Ministry of Defence.
