BHASKARA I : India's Second Satellite

Bhaskara I : The 2nd Indian Satellite in Space.

Image: Bhaskara I

Bhaskara l was the Indian Mathematician and Astronomer born in Maharashtra in 7th Century (c.600 to c.680). He was first to use Hindi Number System and used circle as ziro. His name is used to named the India's 2nd Satellite Bhaskara I . 

Image: Bhaskara I Satellite

The Bhaskara was built by Indian Space Research Organisations (ISRO). It was launched on 7 june 1979 from Kapustin Yar, Russia. It was carried by Intercosmos launche vehicle into Earth's low orbit.

Image: USSR stamp featuring Bhaskara I, Bhaskara II and Aryabhata
 
It is also India first low orbit observational satellite. It was placed in an orbital Perigee and Apogee of 394 km and 399 km at an inclination of 50.7°. The launch mass was 444 Kilograms. It was also an experimental satellite. The main purpose of this satellite was to collect data on hydrology, oceanography, telemetry. Two television cameras operating in visible (600 nanometre) and near-infrared (800 nanometre) and collected data related hydrology, and geology. 

Satellite microwave radiometer (SAMIR) operating at 19 and 22 GHz.

Bhaskara I specification:-
 
MissionExperimental Remote Sensing
Weight442 kg
onboard power47 Watts
CommunicationVHF band
StabilizationSpin stabilized (spin axis controlled)
PayloadTVcameras, three band Microwave Radiometer (SAMIR)
Launch dateJun 07,1979
Launch siteVolgograd Launch Station (presently in Russia)
Launch vehicleC-1Intercosmos
Orbit519 x 541 km
Inclination50.6 deg
Mission lifeOne year (nominal)
Orbital LifeAbout 10 years ( Re-entered in 198

Source:
Wikipedia
Isro.gov.in

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