Wikipedia

LVM3

The Launch Vehicle Mark-3 or LVM3[1][15][16] (previously referred as the Geosynchronous Satellite Launch Vehicle Mark III or GSLV Mk III)[a] is a three-stage[1] medium-lift launch vehicle developed by the Indian Space Research Organisation (ISRO). Primarily designed to launch communication satellites into geostationary orbit,[18] it is also due to launch crewed missions under the Indian Human Spaceflight Programme.[19] LVM3 has a higher payload capacity than its predecessor, GSLV.[20][21][22][23]

Launch Vehicle Mark-3 (LVM3)
LVM3 M3 on SDSC SLP, carrying 36 OneWeb satellites
FunctionMedium-lift launch vehicle[1]
ManufacturerISRO
Country of originIndia
Cost per launch₹500 crore (US$60 million)[2][3]
Size
Height43.43 m (142.5 ft)[4][1]
Diameter4 m (13 ft)[4]
Mass640,000 kg (1,410,000 lb)[1]
Stages3[1]
Capacity
Payload to LEO
Mass10,000 kg (22,000 lb)[5]
Payload to GTO
Mass4,300 kg (9,500 lb)[1][6]
Payload to TLI
Mass3,000 kg (6,600 lb)[7]
Associated rockets
FamilyGeosynchronous Satellite Launch Vehicle
Comparable
Launch history
StatusActive
Launch sitesSatish Dhawan SLP
Total launches7
Success(es)7
Failure(s)0
Partial failure(s)0
First flight
  • 18 December 2014 (suborbital)
  • 5 June 2017 (orbital)
Last flight14 July 2023
Type of passengers/cargo
First stage – S200 Boosters
Height25 m (82 ft)[1]
Diameter3.2 m (10 ft)[1]
Empty mass31,000 kg (68,000 lb) each[8]
Gross mass236,000 kg (520,000 lb) each[8]
Propellant mass205,000 kg (452,000 lb) each[8]
Powered bySolid S200
Maximum thrust5,150 kN (525 tf)[9][10][11]
Specific impulse274.5 seconds (2.692 km/s) (vacuum)[8]
Burn time128 s[8]
PropellantHTPB / AP[8]
Second stage – L110
Height21.39 m (70.2 ft)[12]
Diameter4.0 m (13.1 ft)[8]
Empty mass9,000 kg (20,000 lb)[12]
Gross mass125,000 kg (276,000 lb)[12]
Propellant mass116,000 kg (256,000 lb)[12]
Powered by2 Vikas engines
Maximum thrust1,598 kN (163.0 tf)[8][13][14]
Specific impulse293 seconds (2.87 km/s)[8]
Burn time203 s[12]
PropellantUDMH / N2O4
Third stage – C25
Height13.545 m (44.44 ft)[8]
Diameter4.0 m (13.1 ft)[8]
Empty mass5,000 kg (11,000 lb)[12]
Gross mass33,000 kg (73,000 lb)[12]
Propellant mass28,000 kg (62,000 lb)[8]
Powered by1 CE-20
Maximum thrust186.36 kN (19.003 tf)[8]
Specific impulse442 seconds (4.33 km/s)
Burn time643 s[8]
PropellantLOX / LH2
[edit on Wikidata]

After several delays and a sub-orbital test flight on 18 December 2014, ISRO successfully conducted the first orbital test launch of LVM3 on 5 June 2017 from the Satish Dhawan Space Centre.[24]

Total development cost of project was ₹2,962.78 crore (equivalent to ₹45 billion or US$540 million in 2023).[25] In June 2018, the Union Cabinet approved ₹4,338 crore (equivalent to ₹58 billion or US$700 million in 2023) to build 10 LVM3 rockets over a five-year period.[26]

The LVM3 has launched CARE, India's space capsule recovery experiment module, Chandrayaan-2 and Chandrayaan-3, India's second and third lunar missions, and will be used to carry Gaganyaan, the first crewed mission under Indian Human Spaceflight Programme. In March 2022, UK-based global communication satellite provider OneWeb entered into an agreement with ISRO to launch OneWeb satellites aboard the LVM3 along with the PSLV, due to the launch services from Roscosmos being cut off, caused by the Russian invasion of Ukraine.[27][28][29] The first launch took place on 22 October 2022, injecting 36 satellites into Low Earth orbit.

Vehicle Description

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LVM3-X Configuration

ISRO initially planned two launcher families, the Polar Satellite Launch Vehicle for low Earth orbit and polar launches and the larger Geosynchronous Satellite Launch Vehicle for payloads to geostationary transfer orbit (GTO). The vehicle was reconceptualized as a more powerful launcher as the ISRO mandate changed. This increase in size allowed the launch of heavier communication and multipurpose satellites, human-rating to launch crewed missions, and future interplanetary exploration.[30] Development of the LVM3 began in the early 2000s, with the first launch planned for 2009–2010.[31][32][33] The unsuccessful launch of GSLV D3, due to failure in the cryogenic upper stage,[33] delayed the LVM3 development program.[34][35] The LVM3, while sharing a name with the GSLV, features different systems and components.

To manufacture the LVM3 in public–private partnership (PPP) mode, ISRO and NewSpace India Limited (NSIL) have started working on the project. To investigate possible PPP partnership opportunities for LVM3 production through the Indian private sector, NSIL has hired IIFCL Projects Limited (IPL).[36] On Friday 10th May 2024, NSIL released a request for qualification (RFQ), inviting responses from private partners for the large-scale production of LVM-3.[37][38][39] Plans call for a 14-year partnership between ISRO and the chosen commercial entity. The private partner is expected to be able to produce four to six LVM3 rockets annually over the following twelve years, with the first two years serving as the "development phase" for the transfer of technology and know-how.[40]

Specifications

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Specification First stage- 2 x S200 Strap-on Second stage- L110 Third stage- C25 CUS
Length 25.75 m 21.39 m 13.545 m
Diameter 3.20 m 4.0 m 4.0 m
Nozzle Diameter 3.27 m ~1.80 m
Propellant Solid HTPB-based composite propellant UH 25 - 75% UDMH, 25% hydrazine / Nitrogen Tetroxide Liquid Hydrogen / Liquid Oxygen
Inert Mass 31,000 kg 9,000 kg 5,000 kg
Propellant Mass 205,000 kg 116,000 kg 28,000 kg
Launch Mass 236,000 kg 125,000 kg 33,000 kg
Case / Tank Material M250 Maraging Steel Aluminium Alloy
Segments 3 NA
Engine(s) S200 LSB 2 x Vikas Engine 1 x CE-20
Engine Type Solid Gas Generator
Maximum Thrust (SL) 5,150 kN 1,588 kN 186.36 kN
Avg. Thrust (SL) 3,578.2 kN
Thrust (Vac.) NA 756.5 kN 200 kN
Specific Impulse (SL) 227 sec 293 sec NA
Specific Impulse (Vac.) 274.5 sec 443 sec
Maximum Pressure 56.92 bar 58.5 bar 60 bar
Average Pressure 39.90 bar NA
Engine Dry Weight NA 900 kg 588 kg
Altitude Control Flex Nozzle Gimbaling Engine Gimbaling 2 Vernier Engines
Area Ratio 12.1 13.99 100
Flex Nozzle Length 3.474 m NA
Throat Diameter 0.886 m NA
Thrust Vector Control Hydro-Pneumatic Pistons NA
Vector Capability +/- 8° NA
Slew Rate 10°/sec NA
Actuator Load 294 kN NA
Engine Diameter 0.99 m
Mixture Ratio NA 1.7 (Ox/Fuel) 5.05 (Ox/Fuel)
Turbopump Speed NA 10,000 rmp
Flow Rate NA 275 kg/sec
Guidance Inertial Platform, Closed Loop
Restart Capability NA No RCS for Coast Phase
Burn Time 130 sec 200 sec 643 sec
Ignition T+0 sec T+110 sec
Stage Separation Pyrotechnic fasteners, Jettison Motors Active/Passive Collets NA
Separation Time T+149 sec

S200 solid boosters

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S200 Strap-on: Onboard Camera Footage

The first stage consists of two S200 solid motors, also known as Large Solid Boosters (LSB) attached to the core stage. Each booster is 3.2 metres (10 ft) wide, 25 metres (82 ft) long, and carries 207 tonnes (456,000 lb) of hydroxyl-terminated polybutadiene (HTPB) based propellant in three segments with casings made out of M250 maraging steel. The head-end segment contains 27,100 kg of propellant, the middle segment contains 97,380 kg and the nozzle-end segment is loaded with 82,210 kg of propellants. It is the largest solid-fuel booster after the SLS SRBs, the Space Shuttle SRBs and the Ariane 5 SRBs. The flex nozzles can be vectored up to ±8° by electro-hydraulic actuators with a capacity of 294 kilonewtons (66,000 lbf) using hydro-pneumatic pistons operating in blow-down mode by high pressure oil and nitrogen. They are used for vehicle control during the initial ascent phase.[41][42][43] Hydraulic fluid for operating these actuators is stored in an externally mounted cylindrical tank at the base of each booster.[44] These boosters burn for 130 seconds and produce an average thrust of 3,578.2 kilonewtons (804,400 lbf) and a peak thrust of 5,150 kilonewtons (1,160,000 lbf) each. The simultaneous separation from core stage occurs at T+149 seconds in a normal flight and is initiated using pyrotechnic separation devices and six small solid-fueled jettison motors located in the nose and aft segments of the boosters.[42][9]

The first static fire test of the S200 solid rocket booster, ST-01, was conducted on 24 January 2010.[9] The booster fired for 130 seconds and had nominal performance throughout the burn. It generated a peak thrust of about 4,900 kN (1,100,000 lbf).[45][10] A second static fire test, ST-02, was conducted on 4 September 2011. The booster fired for 140 seconds and again had nominal performance through the test.[46] A third test, ST-03, was conducted on 14 June 2015 to validate the changes from the sub-orbital test flight data.[47][48]

L110 liquid core stage

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L110 Stage at Stage Preparation Facility

The second stage, designated L110, is a liquid-fueled stage that is 21 metres (69 ft) tall and 4 metres (13 ft) wide, and contains 110 metric tons (240,000 lb) of unsymmetrical dimethylhydrazine (UDMH) and nitrogen tetroxide (N2O4). It is powered by two Vikas 2 engines, each generating 766 kilonewtons (172,000 lbf) thrust, giving a total thrust of 1,532 kilonewtons (344,000 lbf).[13][14] The L110 is the first clustered liquid-fueled engine designed in India. The Vikas engines uses regenerative cooling, providing improved weight and specific impulse compared to earlier Indian rockets.[42][49] Each Vikas engine can be individually gimbaled to control vehicle pitch, yaw and roll control. The L110 core stage ignites 114 seconds after liftoff and burns for 203 seconds.[42][14] Since the L110 stage is air-lit, its engines need shielding during flight from the exhaust of the operating S200 boosters and reverse flow of gases by a 'nozzle closure system' which gets jettisoned prior to L110 ignition.[50]

ISRO conducted the first static test of the L110 core stage at its Liquid Propulsion Systems Centre (LPSC) test facility at Mahendragiri, Tamil Nadu on 5 March 2010. The test was planned to last 200 seconds, but was terminated at 150 seconds after a leakage in a control system was detected.[51] A second static fire test for the full duration was conducted on 8 September 2010.[52]

C25 cryogenic upper stage

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C25 Stage at Stage Preparation Facility

The cryogenic upper stage, designated C25, is 4 metres (13 ft) in diameter and 13.5 metres (44 ft) long, and contains 28 metric tons (62,000 lb) of propellant LOX and LH2, pressurized by helium stored in submerged bottles.[49][53] It is powered by a single CE-20 engine, producing 200 kN (45,000 lbf) of thrust. CE-20 is the first cryogenic engine developed by India which uses a gas generator, as compared to the staged combustion engines used in GSLV.[54] In LVM3-M3 mission, a new white coloured C25 stage was introduced which has more environmental-friendly manufacturing processes, better insulation properties and the use of lightweight materials.[55] The stage also houses the flight computers and Redundant Strap Down Inertial Navigation System of the launch vehicle in its equipment bay. The digital control system of the launcher uses closed-loop guidance throughout the flight to ensure accurate injections of satellites into the _target orbit. Communications system of the launch vehicle consisting of an S-Band system for telemetry downlink and a C-Band transponder that allows radar tracking and preliminary orbit determination are also mounted on the C25. The communications link is also used for range safety and flight termination that uses a dedicated system that is located on all stages of the vehicle and features separate avionics.[42]

The first static fire test of the C25 cryogenic stage was conducted on 25 January 2017 at the ISRO Propulsion Complex (IPRC) facility at Mahendragiri, Tamil Nadu. The stage fired for a duration of 50 seconds and performed nominally.[56] A second static fire test for the full in-flight duration of 640 seconds was completed on 17 February 2017.[57] This test demonstrated consistency in engine performance along with its sub-systems, including the thrust chamber, gas generator, turbopumps and control components for the full duration.[57]

Payload fairing

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Encapsulation of 36 OneWeb satellites

The CFRP composite payload fairing has a diameter of 5 metres (16 ft), a height of 10.75 metres (35.3 ft) and a payload volume of 110 cubic metres (3,900 cu ft).[8] It is manufactured by Coimbatore-based LMW Advanced Technology Centre.[58] After the first flight of the rocket with CARE module, the payload fairing was modified to an ogive shape, and the S200 booster nose cones and inter-tank structure were redesigned to have better aerodynamic performance.[59] The vehicle features a large fairing with a five-meter diameter to provide sufficient space even to large satellites and spacecraft. Separation of fairing in a nominal flight scenario occurs at approximately T+253 seconds and is accomplished by a linear piston cylinder separation and jettisoning mechanism (zip cord) spanning full length of PLF which is pyrotechnically initiated. The gas pressure generated by the zip cord expands a rubber below that pushes the piston and cylinder apart and thereby pushing the payload fairing halves laterally away from the launcher. The fairing is made of Aluminum alloy featuring acoustic absorption blankets.[42]

Variants and upgrades

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Human-rating certification

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Main articles: Gaganyaan and CE-20
 
Representation of Human Rated LVM3.

While the LVM3 is being human rated for Gaganyaan project, the rocket was always designed with potential human spaceflight applications in consideration. The maximum acceleration during ascent phase of flight was limited to 4 Gs for crew comfort and a 5-metre (16 ft) diameter payload fairing was used to be able to accommodate large modules like space station segments.[60]

Furthermore, a number of changes to make safety-critical subsystems reliable are planned for lower operating margins, redundancy, stringent qualification requirements, revaluation, and strengthening of components.[61] Avionics improvement will incorporate a Quad-redundant Navigation and Guidance Computer (NGC), Dual chain Telemetry & Telecommand Processor (TTCP) and an Integrated Health Monitoring System (LVHM). The launch vehicle will have the High Thrust Vikas engines (HTVE) of L110 core stage operating at a chamber pressure of 58.5 bar instead of 62 bar. Human rated S200 (HS200) boosters will operate at chamber pressure of 55.5 bar instead of 58.8 bar and its segment joints will have three O-rings each. Electro mechanical actuators and digital stage controllers will be employed in HS200, L110 and C25 stages.[62]

Mating with semi-cryogenic stage

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Main article: SCE-200
 
SCE-200 Power Head Test Article

The L110 core stage in the LVM3 is planned to be replaced by the SC120, a kerolox stage powered by the SCE-200 engine[63] to increase its payload capacity to 7.5 metric tons (17,000 lb) to geostationary transfer orbit (GTO).[64] The SCE-200 uses kerosene instead of unsymmetrical dimethylhydrazine (UDMH) as fuel and has a thrust of around 200 tonnes. Four such engines can be clustered in a rocket without strap on boosters to deliver up to 10 tonnes (22,000 lb) to GTO.[65] The first propellant tank for the SC120 was delivered in October 2021 by HAL.[66]

The SC120 powered version of LVM3 will not be used for the crewed mission of the Gaganyaan spacecraft.[67][68] In September 2019, in an interview by AstrotalkUK, S. Somanath, director of Vikram Sarabhai Space Centre claimed that the SCE-200 engine was ready to begin testing. As per an agreement between India and Ukraine signed in 2005, Ukraine was expected to test components of the SCE-200 engine, so an upgraded version of the LVM3 was not expected before 2022.[69] The SCE-200 engine is reported to be based on the Ukrainian RD-810, which itself is proposed for use on the Mayak family of launch vehicles.[70]

Induction of upgraded cryogenic stage

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The C25 stage with nearly 25 t (55,000 lb) propellant load will be replaced by the C32, with a higher propellant load of 32 t (71,000 lb). The C32 stage will be re-startable and with uprated CE-20 engine.[71] Total mass of avionics will be brought down by using miniaturised components.[72] On 30 November 2020, Hindustan Aeronautics Limited delivered an aluminium alloy based cryogenic tank to ISRO. The tank has a capacity of 5,755 kg (12,688 lb) of fuel, and a volume of 89 m3 (3,100 cu ft).[73][74]

On 9 November 2022, CE-20 cryogenic engine of upper stage was tested with an uprated thrust regime of 21.8 tonnes in November 2022. Along a suitable stage with additional propellant loading this could increase payload capacity of LVM3 to GTO by up to 450 kg (990 lb).[75] On 23 December 2022, CE-20 engine E9 was hot tested for 650 second duration. For the first 40 seconds of test, the engine was operated at 20.2 tonne thrust level, after this engine was operated at 20 tonne off-nominal zones and then for 435 seconds it was operated at 22.2 tonne thrust level. With this test, the 'E9' engine has been qualified for induction in flight.[76] It is hoped that after introduction of this stage, GTO payload capacity can be raised to 6 tonnes.[77]

Notable missions

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Flight X

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Main article: Crew Module Atmospheric Re-entry Experiment
 
LVM3-X lifting off

The maiden flight of the LVM3 lifted off from the Second Launch Pad at the Satish Dhawan Space Center on 18 December 2014 at 04:00 UTC.[78] The test had functional boosters, a core stage but carried dummy upper stage whose LOX and LH₂ tanks were filled with LN₂ and GN₂ respectively for simulating weight. It also carried the Crew Module Atmospheric Re-entry Experiment (CARE) that was tested on re-entry.[79]

Just over five minutes into the flight, the rocket ejected CARE at an altitude of 126 kilometres (78 mi), which then descended, controlled by its onboard reaction control system. During the test, CARE's heat shield experienced a peak temperature of around 1,000 °C (1,830 °F). ISRO downlinked launch telemetry during the ballistic coasting phase until the radio black-out to avoid data loss in the event of a failure. At an altitude of around 15 kilometres (9.3 mi), the module's apex cover separated and the parachutes were deployed. CARE splashed down in the Bay of Bengal near the Andaman and Nicobar Islands and was recovered successfully.[80][81][82][83]

Chandrayaan

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Main articles: Chandrayaan 2 and Chandrayaan 3

Following the failure of Phobos-Grunt mission of Roscosmos, it resulted in a complete review of technical aspects connected with the spacecraft, which were also slotted to be used in the proposed Russian lander for Chandrayaan-2. This delayed the lander from Russia and eventually Roscosmos declared its inability to meet up with the revised time of 2015 for its launch on board an uprated GSLV rocket along with an Indian orbiter and rover. ISRO cancelled the Russian agreement and decided to go alone with its project with marginal changes.[84][85]

On 22 July 2019, the LVM3 M1 (GSLV Mk.III M1) rocket lifted off with 3850 kg Chandrayaan-2 Orbiter-Lander composite and successfully injected it into a parking orbit of 169.7 x 45,475 km. This marked the first operational flight of LVM3 after two developmental flights.[86] The apogee of the earth parking orbit is about 6,000 km more than originally envisaged and thereby eliminated one of the seven earth-bound orbit raising manoeuvres. It was attributed to a 15 percentage increase in rocket performance.[87][88] On 14 July 2023, the LVM3 M4 rocket successfully injected the 3900 kg Chandrayaan-3 composite to a parking orbit of 170 x 36,500 km.[89] On 15 November 2023, the Cryogenic Upper Stage (C25) of the LVM3 M4 (NORAD ID: 57321) made an uncontrolled re-entry into the Earth's atmosphere around 9:12 UTC. The impact point is predicted over the North Pacific Ocean and the final ground track did not pass over India.[90][91][92]

OneWeb

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Main article: Eutelsat OneWeb
 
LVM3 M3 OneWeb India-2 Mission

On 21 March 2022, OneWeb announced that it had signed a launch agreement with United States launch provider SpaceX to launch the remaining 1st generation satellites on Falcon 9 rockets, with the first launch expected no earlier than summer 2022.[93][94] On 20 April 2022 OneWeb announced a similar deal with NewSpace India Limited, the commercial arm of the Indian Space Research Organisation.[95] OneWeb satellites were deployed by LVM3 both on 22 October 2022 and 26 March 2023[96] using a lightly modified version of the satellite dispenser previously used on Soyuz.[97][98]

 
Post C25 Shut-off Phase Flight Profile

The first batch of 36 OneWeb Gen-1 satellites weighing a total of 5796 kg was launched onboard LVM3 M2 rocket codenamed OneWeb India-1 Mission on 22 October 2022 and the satellites were injected to a low earth orbit of 601 km altitude and 87.4° inclination on a sequential basis. This constituted the first commercial mission and the first multi-satellite mission to low earth orbit of the rocket, marking its entry to global commercial launch service market. The separation of satellites involved a unique maneuver of the cryogenic stage to undergo several re-orientation and velocity additions covering 9 phases spanning 75 minutes.[99][100] On 26 March 2023, codenamed OneWeb India-2 Mission, the second batch of 36 satellites was launched onboard LVM3 M3 and injected to an altitude of 450 km with same inclination. The launch featured a white cryogenic stage which takes into account environmental-friendly manufacturing processes, better insulation properties and the use of lightweight materials.[101][55]

Launch statistics

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LVM3 currently has accumulated a total of 7 launches, as of 19 July 2023. Of these, all 7 have been successful, giving it a cumulative success rate of 100%.

1
2
3
4
5
2014
2016
2018
2020
2022
2024
  •   Failure
  •   Partial failure
  •   Success
  •   Planned
Decade-wise summary of LVM3 launches
Decade Successful Partial success Failure Total
2010s 4 0 0 4[102]
2020s 3 0 0 3[103]
Total 7 0 0 7

Missions

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Launch Log
Date/Time
(UTC)
 Payload Launch Site Regime Status
Flight Number Operator Function
Remarks
18 December 2014
4:00 		  CARE
3,775 kg (8,322 lb) 		Satish Dhawan - SLP Sub-orbital Success
LVM3 X ISRO Re-entry Module
Sub-orbital developmental test flight with a non-functional cryogenic stage. The CARE module separated from the launch vehicle at an intended altitude of 126 km at a speed of 5.3 km/s. The launch validated the ignition, performance and separation aspects of S200 and L110 stages.[104][105][106]
5 June 2017
11:58 		  GSAT-19
3,136 kg (6,914 lb) 		Satish Dhawan - SLP GTO Success
GSLV Mk III D1 (LVM3 D1) INSAT Communication
First developmental test launch with an operational cryogenic engine. The satellite was successfully injected to a parking orbit of 170 x 35,975 km with 21.5° inclination. The launch featured an ogive fairing and slanted nose cones on S200 stages to improve aerodynamic performance.[107][108][109]
14 November 2018
11:38 		  GSAT-29
3,423 kg (7,546 lb) 		Satish Dhawan - SLP GTO Success
GSLV Mk III D2 (LVM3 D2) INSAT Communication
Second developmental test flight in full operational configuration. The satellite was successfully injected to an elongated parking orbit of 190 x 35,975 km with 21.5° inclination. L110 core used upgraded High Thrust Vikas Engines (HTVE). Developmental test flights of the rocket has completed.[110][111][112]
22 July 2019
09:13 		  Chandrayaan-2
3,850 kg (8,490 lb) 		Satish Dhawan - SLP EPO Success
GSLV Mk III M1 (LVM3 M1) ISRO Lunar Composite
First operational launch of the rocket and successfully injected a lunar Orbiter-Lander-Rover composite spacecraft to a parking orbit of 169.7 x 45,475 km. Chairman stated a 15 percentage increment in vehicle performance which eliminated one of the scheduled seven earth-bound orbit raising burns.[88][113][114]
22 October 2022
18:37 		  36 x OneWeb Gen-1
5,796 kg (12,778 lb) 		Satish Dhawan - SLP LEO Success
LVM3 M2 OneWeb Broadband Internet
First commercial launch of the rocket under NSIL and its first multi-satellite mission to low earth orbit of 601km. The cryogenic stage performed multiple reorientation and velocity addition maneuvers to sequentially dispose the satellites. The rocket made its entry to global commercial launch service market.[99][115][100]
26 March 2023
03:30 		  36 x OneWeb Gen-1
5,805 kg (12,798 lb) 		Satish Dhawan - SLP LEO Success
LVM3 M3 OneWeb Broadband Internet
Second batch of 36 OneWeb Gen-1 satellites launched successfully to low earth orbit of 450 km with 87.4° inclination. The launch featured a white cryogenic stage (C25) which has more environmental-friendly manufacturing processes, better insulation properties and the use of lightweight materials.[55][101][116]
14 July 2023
09:05 		  Chandrayaan-3
3,895 kg (8,587 lb) 		Satish Dhawan - SLP EPO Success
LVM3 M4 ISRO Lunar Composite
The rocket successfully injected a lunar composite spacecraft of Propulsion Module-Lander-Rover into an elliptical parking orbit of 170 x 36,500 km. On 15 November, the Cryogenic Upper Stage of the rocket made an uncontrolled re-entry around 9:12 UTC over the North Pacific Ocean.[117][118][119]
Planned Launches
Q1 2024[120]   BlueBird 6 (1 satellite) Satish Dhawan - SLP LEO Scheduled
LVM3 M5 AST SpaceMobile Communications
Commercial launch under NSIL.[121] Cellphone-compatible broadband constellation. The next-generation Block 2 BlueBird satellite delivers 10x the bandwidth of BlueBird Block 1 satellites, allowing continuous cellular broadband service coverage. It will feature a ~2,400 sq ft (220 m2) communications array, the largest ever developed commercially.[122]
NET 2025   GSAT-32 (GSAT-N3) Satish Dhawan - SLP GTO Planned
INSAT Communication
[123]
NET 2025   GSAT-22 Satish Dhawan- SLP GTO Planned
INSAT Communication
[124]
NET 2025   GSAT-23 Satish Dhawan- SLP GTO Planned
INSAT Communication
[125]
NET 2026   Mars Lander Mission Satish Dhawan - SLP Planned
ISRO
[126][127][128]
29 March 2028   Venus Orbiter Mission Satish Dhawan - SLP Planned
ISRO
[129][130][131]
NET 2028   Chandrayaan-4 Propulsion Module
Chandrayaan-4 Lander Module
Chandrayaan-4 Ascender Module 		Satish Dhawan - SLP Planned
LVM3 SC ISRO
[132][133][134]
NET 2028   Chandrayaan-4 Transfer Module
Chandrayaan-4 Re-entry Module 		Satish Dhawan - SLP Planned
LVM3 SC ISRO
[135][136][137]
NET 2028   BAS-B1[138]
9,186 kg (20,252 lb) 		Satish Dhawan - SLP LEO Scheduled
ISRO Space Station
First module launch of Bharatiya Antariksha Station.[139]

Human-Rated Missions

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Launch Log
Date/Time
(UTC)
 Payload Launch Site Regime Status
Flight Number Operator Function
Remarks
Orbital Test Flights
March 1, 2025[140]   G1[141] LP2 - SDSC SHAR LEO Scheduled
HLVM3 ISRO
First orbital test flight of Gaganyaan spacecraft carrying Vyommitra.[142]
Q1 2025[140]   G2[141] LP2 - SDSC SHAR LEO Planned
HLVM3 ISRO
Second orbital test flight of Gaganyaan spacecraft.[142]
Q3 2025[140]   G3[141] LP2 - SDSC SHAR LEO Planned
HLVM3 ISRO
Third orbital test flight of Gaganyaan spacecraft.[143]
Crewed Flights
TBA   H1[141] LP2 - SDSC SHAR LEO Planned
HLVM3 ISRO
First crewed flight of Gaganyaan spacecraft, carrying one to three Indian astronauts on a short orbital test flight.[144][145] Launch mass is 7,800 kg (17,200 lb) with service module, capsule's mass is 3,735 kg (8,234 lb).[146][69]
TBA   H2[147] LP2 - SDSC SHAR LEO Scheduled
HLVM3 ISRO
Second crewed flight of Gaganyaan spacecraft, carrying one to three Indian astronauts on a short orbital test flight.[148] Launch mass is 7,800 kg (17,200 lb) with service module, capsule's mass is 3,735 kg (8,234 lb).[146][69]
Cargo Flights
TBA   G4[149] LP2 - SDSC SHAR LEO (ISS) Scheduled
HLVM3 ISRO Resupply Spacecraft
ISRO’s first ISS cargo resupply mission.[150]
TBA   G5[151] LP2 - SDSC SHAR LEO (BAS) Scheduled
HLVM3 ISRO Resupply Spacecraft
ISRO’s first BAS cargo resupply mission.[152]
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See also

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Notes

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  1. ^ ISRO changed the name of GSLV Mk3 to LVM3 after the successful launch of LVM3-M2 mission. The rename was done to remove any ambiguity on the ability of the vehicle to put payloads in a particular orbit.[17][16]

References

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  1. ^ a b c d e f g h i "LVM3". Indian Space Research Organisation. Retrieved 20 September 2018.
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  3. ^ Faust, Jeff. "OneWeb launch sign of greater role for India in commercial launch market". Retrieved 24 October 2022.
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