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| GSLV launch | |
|---|---|
| Launch | 29 January 2025, 06:23 Indian Standard Time |
| Pad | Second Launch Pad Satish Dhawan Space Centre |
| Payload |  NVS-02 |
| GSLV launches | |
The GSLV F15 is the 17th flight of the GSLV and the 11th flight of Mk2 variant using indigenous Cryogenic engine.It is also the 100th overall launch of an ISRO rocket since SLV-3 E1 in 1979. [1]
The GSLV-F15 with the NVS-02 satellite lifted off from the spaceport’s second launch pad at 6.23 a.m. The satellite was injected into the GTO 19 minutes after launch from Sriharikota. [2] [3] [4]
It was the First mission undertaken by newly apponted ISRO chairman Dr.V Narayanan. [5]
Primary payload: NVS-02,
This Launch Vehicle is an 3 Stage Launch Vehicle. The first stage of GSLV was also derived from the PSLV's PS1. The 138 tonne solid rocket motor is augmented by 4 liquid strap-ons which is Powered by Vikas (rocket engine).GSLV-F15 payload fairing is a metallic version with a diameter of 3.4 meters. [1] [6]
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 into Sun-synchronous orbits, a service that was, until the advent of the PSLV in 1993, only commercially available from Russia. PSLV can also launch small size satellites into Geostationary Transfer Orbit (GTO).
Geosynchronous Satellite Launch Vehicle (GSLV) is a class of expendable launch systems operated by the Indian Space Research Organisation (ISRO). GSLV has been used in fifteen launches since 2001.
The Indian Space Research Organisation is India's national space agency. It serves as the principal research and development arm of the Department of Space (DoS), overseen by the Prime Minister of India, with the Chairman of ISRO also serving as the chief executive of the DoS. It is primarily responsible for space-based operations, space exploration, international space cooperation and the development of related technologies. The agency maintains a constellation of imaging, communication and remote sensing satellites. It operates the GAGAN and IRNSS satellite navigation systems. It has sent three missions to the Moon and one mission to Mars.
Satish Dhawan Space Centre – SDSC is the primary spaceport of the Indian Space Research Organisation (ISRO), located in Sriharikota, Tirupati district, Andhra Pradesh.
The Launch Vehicle Mark-3 or LVM3 is a three-stage medium-lift launch vehicle developed by the Indian Space Research Organisation (ISRO). Primarily designed to launch communication satellites into geostationary orbit, it is also due to launch crewed missions under the Indian Human Spaceflight Programme. LVM3 has a higher payload capacity than its predecessor, GSLV.
GSAT-4, also known as HealthSat, was an experimental communication and navigation satellite launched in April 2010 by the Indian Space Research Organisation on the maiden flight of the Geosynchronous Satellite Launch Vehicle Mk.II rocket. It failed to reach orbit after the rocket's third stage malfunctioned. The third stage was the first Indian-built cryogenic-fuelled upper stage, and was making its first flight. The ISRO suspects that the failure was caused by the third stage not igniting.
Reusable Launch Vehicle–Technology Demonstration Programme is a series of technology demonstration missions that has been conceived by the Indian Space Research Organisation (ISRO) as a first step towards realising a Two Stage To Orbit (TSTO) reusable launch vehicle, in which the second stage is a spaceplane.
GSAT-6A was a communication satellite launched by the Indian Space Research Organisation (ISRO). It featured a 6-metre (20 ft) unfurlable S-band antenna similar to the one used on GSAT-6. Around 17 minutes after lift-off, the three stage GSLV Mk.II rocket flying on GSLV F08 mission successfully injected the satellite into a geosynchronous transfer orbit. Due to power failure during its orbit raising burns the communication was lost with GSAT-6A before it could reach its final circular geostationary orbit (GSO).
GSAT-29 is a high-throughput communication satellite developed by the Indian Space Research Organisation (ISRO). The mission aims at providing high-speed bandwidth to Village Resource Centres (VRC) in rural areas. The two Ku and Ka operational payloads will provide communication services to Jammu and Kashmir and Northeast India under Digital India programme. At the time of launch GSAT-29 was the heaviest satellite, weighing 3,423 kg (7,546 lb), that was placed in orbit by an Indian launch vehicle. Approved cost of GSAT-29 is ₹175.63 crore (US$20 million).
The Small Satellite Launch Vehicle (SSLV) is a small-lift launch vehicle developed by the Indian Space Research Organisation (ISRO) to deliver 500 kg (1,100 lb) payload to low Earth orbit or 300 kg (660 lb) payload to Sun-synchronous orbit. The rocket supports multi-orbital drop-offs capability for small satellites.
Indian Data Relay Satellite System or IDRSS is a planned Indian constellation of Inter-satellite communications satellites. It is planned to initially comprise two satellites, CMS-04 & IDRSS-2 in geostationary orbit. It will facilitate relay of information between various Indian spacecraft, in-flight launch vehicle monitoring and assist the Indian Human Spaceflight Programme.
AgniKul Cosmos Private Limited is an Indian private aerospace manufacturer and commercial launch service provider based in National Centre for Combustion Research and Development (NCCRD) of IIT Madras, Chennai. The start up aims to develop and launch its own small-lift launch vehicle such as the Agnibaan, capable of placing 100 kg (220 lb) payload into a 700 km (430 mi) orbit.
The GSLV F12 is the 15th flight of the GSLV and the 9th flight of Mk2 variant using indigenous Cryogenic engine.
The Next Generation Launch Vehicle (NGLV) is a three-stage partially reusable Heavy-lift launch vehicle, currently under development by the Indian Space Research Organisation (ISRO). This vehicle is designed to replace currently operational systems like PSLV, GSLV and LVM3. The project was previously referred to as Unified Launch Vehicle (ULV).
Gaganyaan-4 will be the first crewed test flight of the Gaganyaan programme, with launch planned for 2026.
NVS-02 is the second satellite in the NVS series, equipped with navigation payloads in L1, L5, and S bands, as well as a ranging payload in C-band. The vehicle is based on the conventional I-2K bus platform, with a lift-off mass of 2250 kg and a power handling capacity of approximately 3 kW. IRNSS-1E will be replaced by it at 111.75ºE.
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