What is TeLEOS-2?

About TeLEOS-2:

• What is it? It is a Singaporean Earth Observation satellite built by ST Electronics (Satellite Systems).
• It is designed to capture satellite imagery in all-weather and round-the-clock conditions.
• The 750 kg satellite will be launched into a Low Earth Orbit.
• It carries a made-in-Singapore Synthetic Aperture Radar (SAR) capable of providing 1 m resolution data.
• It will be equipped with a 500 GB onboard recorder for recording the data captured and a high-speed 800 Mbps downlink.
• Applications: It will provide high-resolution imagery for various applications such as disaster management, resource monitoring, and environmental monitoring.

What is the Polar Satellite Launch Vehicle (PSLV)?

• It is an indigenously-developed expendable launch system of the ISRO.
• It comes in the category of medium-lift launchers with a reach up to various orbits, including the Geo Synchronous Transfer Orbit, Lower Earth Orbit, and Polar Sun Synchronous Orbit.
• It has a four-stage system comprising a combination of solid and liquid-fuelled rocket stages.
• It is the first Indian launch vehicle to be equipped with liquid stages.
• It is capable of placing multiple payloads into orbit. Thus multi-payload adaptors are used in the payload fairing.
• Some notable payloads launched by PSLV include India's first lunar probe Chandrayaan-1, India's first interplanetary mission - Mars Orbiter Mission (Mangalyaan) and India's first space observatory - Astrosat.
• PSLV-XL is the upgraded version of PSLV which uses larger strap-on motors (PSOM-XL or S12) to achieve higher payload capability of up to 1,800 kg (4,000 lb) to Sun-synchronous orbit.