In its first launch in three months, ISRO will use its biggest rocket LVM-3 to send a communication satellite CMS-03 to space Sunday evening. This is the first time that ISRO will put a satellite weighing over 4,000 kg in the distant geosynchronous transfer orbit (GTO) from the Indian soil.

CMS-03, a multiband communication satellite, weighing 4,410 kg will be placed in a transfer orbit of around 29,970 km x 170km from the surface of the earth. So far, ISRO had to contract out the launch of its heavier satellites to private space agencies from other countries. The current launch is a milestone towards the growing capability of the LVM3 rocket, a modified version of which will also be used under the Gaganyaan mission to put humans in space.

Capability of LVM-3

LVM-3, earlier referred t

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