Cartosat-2

 

Cartosat-2

Why In News:

ISRO confirmed successful de-orbiting and atmospheric re-entry of Cartosat-2 at its end-of-life.

Content

*       Cartosat 2 is part of India’s successful Earth Observation Programme run by the Indian Space Research Organisation (ISRO), which started in the late 1970s. Until the launch of Cartosat 2, the best spatial resolution of the Indian Earth observation satellites was 2.5 meters.

*       Cartosat 2 broke new grounds by providing data with spatial resolutions of less than 1 meter.

Important Features of Cartosat 2

*       Hexagonal-shaped, lightweight, and compact spacecraft structure

*       Solid state onboard data recorder of 64 Gbit capacity

*       Improved Inertial Reference Unit

*       High-performance star sensor

*       Introduction of the Bus Management Unit.

*       First-time Dual Launch Adopter was used in PSLV vehicle to accommodate the payloads

*       Sun Synchronous near-circular orbit

*       Pan Chromatic Cameras

*       It is placed at an altitude of 630 km

Cartosat 2 Specifications

*       Spatial Resolution- < 1 m

*       Weight- 710 kg

*       Orbit – Polar Sun-synchronous ( SSPO)

*       Inclination -97.914 degrees

*       Orbital Period- 97.446 minutes

*       Swath – 9.6 km

*       Cartosat 2 Launch Date: January 12, 2018

Cartosat 2: Modern Technologies Used

Several new technologies are used in this satellite which are:

*       Two mirrors on a Single Axis Camera

*       Carbon Fabric Reinforced Plastic-based electro-optic structure

*       Lightweight

*       Large size mirrors

*       Data compression

*       Advances solid state recorder

*       High-torque reaction wheels and high-performance star sensors

*       Imaging along the corridor or in any direction

Cartosat 2 Satellite – 6 Applications

Cartosat 2 satellite is an advanced remote sensing satellite. Data provided by Cartosat 2 satellite has widely varied applications.

*       Mapping and other cartographic applications

*       Urban and Rural infrastructure development and management

*       Has usage in Geographical Information System (GIS)

*       Used in Land Information System (LIS)

*       Road network monitoring

*       Water distribution

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