History  BADR-B

 

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BADR-B



Pakistan's second satellite BADR-B was launched on 10 Dec 2001 at 9:15 a.m from Baikonour Cosmodrome, Kazakistan. The Zenit-2 rocket carried it into a 1018 Km sun-synchronous circular orbit with an orbital period of 105 minutes and inclination of 99.64 degrees.

Project Objectives

 

Developing low cost satellites and creating necessary infrastructure for futuredevelopment of larger satellites

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Acquisition of know-how and capability in the fields of satellite attitude control and stabilisation

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Acquire know-how and technology for earth imaging by use of CCD sensors

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Encourage and stimulate interest of the country's academic and scientific community in the peaceful uses of space

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Forging of closer links with counterpart agencies/organisations in other countries

 

 

BADR-B
 

Specifications

 

Satellite Dimension

510mm x 510mm x 465mm

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Satellite Mass

~70kg

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Lifetime

More than 2 years

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Communication

Gravity gradient

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Thermal Control

Passive

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Payloads

CCD cameras, Compact Dosimeter, End of Charge Detector and Store & Forward Experiment (SAFE)

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Ground Segment

Telemetry, Tracking & Command Station  (TT & C) and Mission Control Centre (MCC)

 

 

Configuration

 

The satellite structure was made of space qualified aluminum T-6 alloy. Gallium Arsenide (GaAs) solar arrays were used to provide power during the sunlit periods and Nickel Cadmium (NiCd) batteries during the eclipse periods. Earth pointing single axis stabilization was achieved by use of a 6 m gravity gradient boom with a trip mass of 4kg.

 

 

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