CMS-01 Satellite: India's 42nd Communication Satellite by ISRO

By : Neha Dhyani

Updated : Feb 23, 2022, 8:58

CMS-01 is a communication satellite designed and developed in India by the Indian Space Research Organization (ISRO). It was launched into the Geostationary Transfer Orbit on a launch vehicle PSLV-C50 on December 17, 2020. CMS-01 was formerly known by the name GSAT-12R. It is designed to replace the aged satellite GSAT-12.

CMS-01 satellite is intended to serve applications in the extended C-Band of the frequency spectrum. The C-Band covers frequencies in the range of 4GHz to 8GHz typically utilized for WiFi, communication transmission, surveillance, and weather radar systems. The approved cost of CMS-01 is 200 crore INR. The planned duration of the communication mission is more than seven years.  

CMS-01 Satellite

ISRO has successfully placed India’s 42nd communication satellite into the transfer orbit. CMS-01 has a weight of 1410 kgs and will substitute the functions of GSAT-12, which was launched back in 2011 to cater to services such as telemedicine, tele-education, disaster management support, and satellite internet access. The satellite has a mission life span of seven years, and its coverage includes the Indian mainland, Lakshadweep Islands, and the Andaman & Nicobar Islands.

The CMS-01 satellite was launched from the Satish Dhawan Space Centre in Andhra Pradesh. Earlier in November 2020, ISRO had also launched the EOS-01, the Earth Observation Satellite, along with nine other satellites. The CMS-01 was precisely injected into the predefined geosynchronous transfer orbit and will be eventually positioned into the assigned slot in the geosynchronous orbit.

A geosynchronous orbit enables satellites to match the rotation of the Earth. It is located 22,236 miles above the Equator and stands as an important point for surveillance, weather monitoring, and communication. A spacecraft is launched into the elliptical orbit to attain geosynchronous orbit which is called the geosynchronous transfer orbit.

ISRO’s next mission is to launch the PSLV-C51 that will carry the first satellite of India under the new space reforms program. The first satellite to be launched on this vehicle will be ‘Anand’ from a startup named Pixxel India. It is an Earth observation satellite to be launched along with two more satellites from UnitySat and Space Kidz.

The CMS-01 represents the tremendous technical capabilities and the long line of success ISRO has had since its inception over 5 decades ago. Over this time, ISRO has added plenty of value to a growing Indian economy, giving it self-sufficiency in the communications space.

With the substantial capabilities and intellectual capital built by the organization over the years, the CMS-01 is part of a string of future launches to further enhance communications and connectivity across the country.

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FAQs About CMS-01 Satellite

  • What is the latest satellite launched by India?

The ISRO has recently launched the earth observation satellite EOS-4 on February 14, 2022, from the launch pad at the country’s spaceport in Andhra Pradesh. This was the first space mission of the nation for the year.

  • What was the first satellite launched by ISRO?

India’s first satellite was the Aryabhata Spacecraft, designed and made in India. It was sent to the space in April 1975 from Kapustin Yar. It had a mission life of 17 years.

  • How many satellites ISRO has launched to date?

Since 1975, ISRO has launched 342 foreign satellites and 129 Indian-origin satellites. It has launched 21 communication satellites to date, 8 navigation satellites, and 21 for earth observation.

  • What type of satellite is CMS-01?

It is a communication satellite developed by the ISRO to replace the ageing GSAT-12 at 83.0⁰E.