Cakrawarta 1

On September 1997, the Indonesian President renamed the satellite. It was previously called Indostar 1

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General

Designation	25050 / 97071B
Launch date	12 Nov 1997
Country of origin	Indonesia
Operator	PT Media Citra Indostar
Mission	DBS
Geostationary orbit	see below
Launch vehicle	Ariane V102

Up to 4 small satellites have been ordered: Indostar 2 at 115°E and Indostar 3 at 106°E (or all four satellite colocated at 107.5 and 119°E) The full project (satellite, launch, ground station, etc) is worth $175 million

Originally designed for TV and DAB, the satellite was modified to provide only TV capacity in S-band (this band was selected to face high attenuation caused by the rain).

A power regulator failed resulting in only 80% of eclipse power available. Insurance paid $25 million.

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Location

Begin	End	Position
L: 12 Nov 1997	Aug 2005	107.7°E
Aug 2005	Jun 2012	107.7°E, inclined
Jul 2012		117.5°E, inclined

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End of life

Out of service	Jun 2012
Cause	Possible end of life, drifting West

sat-index articles

Technical data

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Lyngsat transponder loading

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Specifications

Prime contractor	CTA Inc (now OSC)
Platform	STAR
Mass at launch	1385 kg
Mass in orbit	802 kg
Dry mass	643 kg
Dimension
Solar array
Stabilization	spin stabilized
DC power	3200 W
Design lifetime	10 years

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S-band (2520-2670 GHz)

Main transponders	5
Backup transponders
Power	70 W
Bandwidth	27 MHz
Coverage	Indonesia + northern Australia, Papua New Guinea, Malaysia, southern Philippines, Singapore
EIRP max	47 dBW
Polarization
Frequencies	2.520-2.670 GHz

Uplink is in X-band (this is the first commercial use of X-band)

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