PSLV-C6

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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.

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Column 1
The PSLV – C6 on its mobile pedestal after having been strapped to launch tower at Sriharikota on 1 May 2005
HAMSAT mission
Deployment of two satellites.
ISRO
ISRO website
1,120 seconds
Polar Satellite Launch Vehicle
Expendable launch vehicle
ISRO
295,980 kilograms (652,520 lb)
1,602.5 kilograms (3,533 lb)
44.4 metres (146 ft)(overall height)
04:44, May 5, 2005 (UTC) (2005-05-05T04:44:00Z)
Polar Satellite Launch Vehicle
SDSC SLP
ISRO
Placed in graveyard orbit
May 5, 2005 (2005-05-05)
Sun-synchronous orbit
Cartosat-1 HAMSAT
1,602.5 kilograms (3,533 lb)
Polar Satellite Launch Vehicle missions

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.

  • Sixth operational launch of the PSLV program.

  • Overall ninth mission of the PSLV program.

  • Overall fifty-fourth launch by Indian Space Research Organisation.

  • First flight to be launched from the second launch pad of Satish Dhawan Space Centre.

  • Carried and injected two satellites built by ISRO.

  • 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:

    • First stage: Solid HTPB based (138.0 + 6 x 9 tonnes)
    • Second stage: Liquid UH 25 + .mw-parser-output .template-chem2-su{display:inline-block;font-size:80%;line-height:1;vertical-align:-0.35em}.mw-parser-output .template-chem2-su>span{display:block;text-align:left}.mw-parser-output sub.template-chem2-sub{font-size:80%;vertical-align:-0.35em}.mw-parser-output sup.template-chem2-sup{font-size:80%;vertical-align:0.65em}N2O4 (41.5 tonnes)
    • Third stage: Solid HTPB based (7.6 tonnes)
    • Fourth stage: Liquid MMH + MON (2.5 tonnes)

  • 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

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. 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).

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

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.

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
  • Indian Space Research Organisation
  • Polar Satellite Launch Vehicle

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