PSLV-C6 was the sixth operational launch and overall ninth mission of the

PSLV The Polar Satellite Launch Vehicle (PSLV) is an expendable medium-lift launch vehicle designed and operated by the Indian Space Research Organisation (ISRO). It was developed to allow India to launch its Indian Remote Sensing (IRS) satellites ...

program. This launch was also the fifty-fourth launch by

Indian Space Research Organisation The Indian Space Research Organisation (ISRO; ) is the national space agency of India, headquartered in Bengaluru. It operates under the Department of Space (DOS) which is directly overseen by the Prime Minister of India, while the Chairman ...

since its first mission on 1 January 1962. The vehicle carried and injected India's two

satellite A satellite or artificial satellite is an object intentionally placed into orbit in outer space. Except for passive satellites, most satellites have an electricity generation system for equipment on board, such as solar panels or radioisotope ...

Cartosat-1 Cartosat-1 (formerly IRS-P5) is a stereoscopic Earth observation satellite in a Sun-synchronous orbit, and the first one of the Cartosat series of satellites. The eleventh satellite of ISRO in Indian Remote Sensing Satellite (IRS) series. The sa ...

(a.k.a. IRS-P5) and

HAMSAT HAMSAT also known as HAMSAT INDIA, VU2SAT and VO-52 is a microsatellite weighing , providing amateur radio satellite communications services for Indian and international amateur radio operators. This satellite carries the in-orbit designation of V ...

into the

Sun-synchronous orbit A Sun-synchronous orbit (SSO), also called a heliosynchronous orbit, is a nearly polar orbit around a planet, in which the satellite passes over any given point of the planet's surface at the same local mean solar time. More technically, it is ...

. PSLV-C6 was launched at 04:44 hours

Coordinated Universal Time Coordinated Universal Time or UTC is the primary time standard by which the world regulates clocks and time. It is within about one second of mean solar time (such as UT1) at 0° longitude (at the IERS Reference Meridian as the currently used ...

(10:14 hours

Indian Standard Time Indian Standard Time (IST), sometimes also called India Standard Time, is the time zone observed throughout India, with a time offset of UTC+05:30. India does not observe daylight saving time or other seasonal adjustments. In military and avia ...

) on 5 May 2005 from the second launch pad of the

Satish Dhawan Space Centre Satish Dhawan Space Centre - SDSC (formerly Sriharikota Range - SHAR) is a rocket launch centre (spaceport) operated by Indian Space Research Organisation (ISRO). It is located in Sriharikota, Tirupati district of Andhra Pradesh. Sriharikota R ...

Mission highlights

*Sixth operational launch of the

program. *Overall ninth mission of the

program. *Overall fifty-fourth launch by

. *First flight to be launched from the second launch pad of

. *Carried and injected two satellites built by

ISRO The Indian Space Research Organisation (ISRO; ) is the national space agency of India, headquartered in Bengaluru. It operates under the Department of Space (DOS) which is directly overseen by the Prime Minister of India, while the Chairman ...

Mission parameters

* Mass: ** ''Total liftoff weight:'' ** ''Payload weight:'' * Overall height: * Propellant: ** ''First stage:''

Solid Solid is one of the State of matter#Four fundamental states, four fundamental states of matter (the others being liquid, gas, and Plasma (physics), plasma). The molecules in a solid are closely packed together and contain the least amount o ...

HTPB based (138.0 + 6 x 9 tonnes) ** ''Second stage:''

Liquid A liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a (nearly) constant volume independent of pressure. As such, it is one of the four fundamental states of matter (the others being solid, gas, a ...

UH 25 UH 25 is a fuel mixture for rockets. It was developed for the European Ariane 2–4 launch vehicles. UH 25 was developed after a disaster during flight 2 of the Ariane 1 rocket. During launch, one of the four Viking engines on the first stage deve ...

+ (41.5 tonnes) ** ''Third stage:''

HTPB based (7.6 tonnes) ** ''Fourth stage:''

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 Thrust is a reaction force described quantitatively by Newton's third law. When a system expels or accelerates mass in one direction, the accelerated mass will cause a force of equal magnitude but opposite direction to be applied to that syst ...

: ** ''First stage:'' 4,762 + 645 x 6 kN ** ''Second stage:'' 800 kN ** ''Third stage:'' 246 kN ** ''Fourth stage:'' 7.3 x 2 kN * Altitude: * Maximum velocity: (recorded at time of payload separation) * Duration: 1,120 seconds

Payload

PSLV-C6 carried and deployed two Indian satellites,

(a.k.a. IRS-P5) and

into the

. Built by

, Cartosat-1 was a stereoscopic remote sensing satellite and first of the

Cartosat The Cartosat is a series of Indian optical earth observation satellites built and operated by the Indian Space Research Organisation (ISRO). The Cartosat series is a part of the Indian Remote Sensing Program. They are used for Earth's resourc ...

series of satellites. HAMSAT was a

microsatellite A microsatellite is a tract of repetitive DNA in which certain DNA motifs (ranging in length from one to six or more base pairs) are repeated, typically 5–50 times. Microsatellites occur at thousands of locations within an organism's genome. ...

, built for providing satellite based

amateur radio satellite An amateur radio satellite is an artificial satellite built and used by amateur radio operators. It forms part of the Amateur-satellite service. These satellites use amateur radio frequency allocations to facilitate communication between amate ...

to the national as well as the international community of

amateur radio operator An amateur radio operator is someone who uses equipment at an amateur radio station to engage in two-way personal communications with other amateur operators on radio frequencies assigned to the amateur radio service. Amateur radio operators hav ...

s (HAM).

Launch & planned flight profile

PSLV-C6 was launched at 04:44 hours

(10:14 hours

) on 5 May 2005 from the second launch pad of the

. The mission was planned with pre-flight prediction of covering overall distance of . Following was the flight profile.

References

External links