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ISRO'S GISAT-1


Context: Indian Space Research Organisation (ISRO) is preparing to launch GISAT-1, a new earth observation satellite, in the first week of March.


ISRO'S GISAT-1


WHAT IS IT?: GEO Imaging Satellite or GISAT is a planned Indian geo-imaging satellite class for providing images quickly during disasters. Two identical satellites will provide resolution in the range of 50 m to 1.5 km. It will carry multi-spectral (visible, near infra-red and thermal), multi-resolution (50 m to 1.5 km) imaging instruments.

WHAT ARE ITS ABILITIES?: GISATs will feature 5 different types of multi-spectral cameras and provide near real time pictures of large areas of the country, under cloud free conditions, at frequent intervals which is, selected field image in every 5 minutes and entire Indian landmass image every 30 minutes at 50 m spatial resolution.

WHAT IS THE LAUNCH SCHEDULE?: According to an official release, GISAT-1 is planned to be launched on 5th March 2020 aboard GSLV MKII rocket.


DESIGN LIFE: 7 years

TYPE: Earth Observation Satellite (EO) [The satellite used or designed for Earth observation from orbit, similar to spy satellites but intended for non-military uses such as environmental monitoring, meteorology, map making etc]

REGIME: Geostationary [A geostationary orbit, also referred to as a geosynchronous equatorial orbit (GEO), is a circular geosynchronous orbit 35,786 kilometres (22,236 miles) above Earth's equator and following the direction of Earth's rotation. Communications satellites are often placed in a geostationary orbit so that Earth-based satellite antennas (located on Earth) do not have to rotate to track them, but can be pointed permanently at the position in the sky where the satellites are located. These are launched via a temporary orbit, and placed in a slot above a particular point on the Earth's surface. ]



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