Both satellites belong to Surrey Satellite Technology Limited, UK, which has a contract with ISRO
On September 16, the Indian Space Research Organisation (ISRO)’s Polar Satellite Launch Vehicle (PSLV-C42) successfully launched two satellites—NovaSAR and S1-4—from the Satish Dhawan Space Centre (SDSC) Sri Harikota Range (SHAR) in Andhra Pradesh.
According to an official press statement by ISRO, 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 an Automatic Identification Receiver payloads. The satellite is to be used for 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.
As on date, ISRO has launched 239 foreign satellites of 28 countries.
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