PSLV-C6

PSLV-C6 was the sixth operational launch and overall ninth mission of the PSLV program. This launch was also the fifty-fourth launch by Indian Space Research Organisation since its first mission on 1 January 1962. The vehicle carried and injected India's two satellites; Cartosat-1 (a.k.a. IRS-P5) and HAMSAT into the Sun-synchronous orbit. PSLV-C6 was launched at 04:44 hours Coordinated Universal Time (10:14 hours Indian Standard Time) on 5 May 2005 from the second launch pad of the Satish Dhawan Space Centre.[1][2][3][4][5]

PSLV-C6
The PSLV – C6 on its mobile pedestal after having been strapped to launch tower at Sriharikota on 1 May 2005
NamesHAMSAT mission
Mission typeDeployment of two satellites.
OperatorISRO
WebsiteISRO website
Mission duration1,120 seconds
Spacecraft properties
SpacecraftPolar Satellite Launch Vehicle
Spacecraft typeExpendable launch vehicle
ManufacturerISRO
Launch mass295,980 kilograms (652,520 lb)
Payload mass1,602.5 kilograms (3,533 lb)
Dimensions44.4 metres (146 ft)
(overall height)
Start of mission
Launch date04:44:00, May 5, 2005 (UTC) (2005-05-05T04:44:00UTC) (UTC)
RocketPolar Satellite Launch Vehicle
Launch siteSriharikota Launching Range
ContractorISRO
End of mission
DisposalPlaced in graveyard orbit
DeactivatedMay 5, 2005 (2005-05-05)
Orbital parameters
Reference systemSun-synchronous orbit
Payload
Cartosat-1
HAMSAT
Mass1,602.5 kilograms (3,533 lb)
 

Mission highlights

Mission parameters
  • Mass:
    • Total liftoff weight: 295,980 kilograms (652,520 lb)
    • Payload weight: 1,602.5 kilograms (3,533 lb)
  • Overall height: 44.4 metres (145.7 ft)
  • Propellant:
  • Engine:
    • First stage: Core (PS 1) + 6 strap-on PSOM
    • Second stage: Vikas
    • Third stage: PS 3
    • Fourth stage: PS 4
  • Thrust:
    • First stage: 4,762 + 645 x 6 kN
    • Second stage: 800 kN
    • Third stage: 246 kN
    • Fourth stage: 7.3 x 2 kN
  • Altitude: 628.535 kilometres (391 mi)
  • Maximum velocity:7,546 metres per second (24,757 ft/s) (recorded at time of payload separation)
  • Duration: 1,120 seconds

[6][7][9]

Payload

PSLV-C6 carried and deployed two Indian satellites, Cartosat-1 (a.k.a. IRS-P5) and HAMSAT into the Sun-synchronous orbit. Built by ISRO, Cartosat-1 was a stereoscopic remote sensing satellite and first of the Cartosat series of satellites.[5] HAMSAT was a microsatellite, built for providing satellite based amateur radio satellite to the national as well as the international community of amateur radio operators (HAM).[10]

CountryNameNosMassTypeObjective
IndiaIRS-P511,560 kgSatelliteRemote sensing satellite
HAMSAT142.5 kgMicrosatelliteAmateur radio satellite

Launch & planned flight profile
PSLV-C 6 blasting off from launch Tower at Sriharikota on May 5, 2005
Heat shield of PSLV displayed at HAL heritage center.

PSLV-C6 was launched at 04:44 hours Coordinated Universal Time (10:14 hours Indian Standard Time) on 5 May 2005 from the second launch pad of the Satish Dhawan Space Centre. The mission was planned with pre-flight prediction of covering overall distance of 622 kilometres (386 mi). Following was the flight profile.[9]

StageTime
(seconds)		Altitude
(kilometer)		Velocity
(meter/sec)		EventRemarks
First stageT+00.025452Ignition of PS 1Lift off
T+1.190.026452Ignition of 4 ground-lit PSOM
T+252.463551Ignition of 2 air-lit PSOM
T+6823.7481,179Separation of 4 ground-lit PSOM
T+9042.7681,659Separation of 2 air-lit PSOM
T+112.0367.4111,995Separation of PS 1
Second stageT+112.2367.6351,994Ignition of PS 2
T+156.03115.2442,314Separation of heat shield
T+263.38233.8734,087Separation of PS 2
Third stageT+264.58235.3044,083Ignition of HPS 3
T+517.52498.9745,865Separation of HPS 3
Fourth stageT+531.50509.0925,851Ignition of PS 4
T+1,043.62627.1537,542Cut-off of PS 4
T+1,080.62627.8017,546Cartosat-1 separation
T+1,120.62628.5357,546HAMSAT separationMission complete

See also

References
  1. "PSLV series". astronautix.com. Retrieved 28 August 2016.
  2. "PSLV-C6: A path-breaking launch". Business Standard. Retrieved 28 August 2016.
  3. "ISRO scientists meet Prime Minister". Indian Space Research Organisation. Retrieved 28 August 2016.
  4. "India's PSLV-C6 Successfully Launches 2 Satellites". spaceref.com. Retrieved 28 August 2016.
  5. "PSLV-C6 launched from Sriharikota". The Economic Times. Retrieved 28 August 2016.
  6. "PSLV-C6". Indian Space Research Organisation. Retrieved 28 August 2016.
  7. "PSLV". spacelaunchreport.com. Retrieved 28 August 2016.
  8. "ISRO timeline". Indian Space Research Organisation. Retrieved 28 August 2016.
  9. "PSLV-C6 brochure" (PDF). Indian Space Research Organisation. Retrieved 28 August 2016.
  10. "HAMSAT". Indian Space Research Organisation. Retrieved 28 August 2016.

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