PSLV-C42 launches 2 foreign satellites

The Polar Satellite Launch Vehicle (PSLV-C42) of Indian Space Research Organisation (ISRO)  successfully launched two satellites — NovaSAR and S1-4 — from the Satish Dhawan Space Centre (SDSC) SHAR, Sriharikota here.

The PSLV-C42 lifted off from the First Launch Pad of SHAR at 10.08 pm (IST). Both satellites were injected into the Sun Synchronous Orbit, about 17 minutes later, at an altitude of 583 km.

The satellites belong to UK-based Surrey Satellite Technology Limited (SSTL), which has a contract with Antrix Corporation Ltd, the commercial arm of ISRO.

NovaSAR carries S-band Synthetic Aperture Radar (SAR) and Automatic Identification Receiver payloads.  The satellite applications include forestry mapping, land use and ice cover monitoring, flood and disaster monitoring and maritime missions. It will be operated from SSTL’s Spacecraft Operations Centre in Guildford, UK.

S1-4 is a high-resolution earth observation satellite meant for surveying resources, environment monitoring, urban management, and disaster monitoring.

This was the 44th flight of PSLV and the 12th flight of the Core Alone version of the vehicle. Core Alone is its lightest version without the six strap-on motors. It is used for launching smaller payloads.

The PSLV launch vehicle consists of four stages, each of which is a self-contained vehicle capable of functioning independently with own propulsion systems.

During the previous launch (PSLV-C41, 12 April 2018), the ‘XL’ version of PSLV with six strap-on motors was used. The vehicle successfully launched the IRNSS-1I navigation satellite to a Sub-Geosynchronous Transfer Orbit.

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