LVM3 by ISRO: status and timeline · The Techno Optimist

LVM3

Three-stage heavy-lift rocket with indigenous design. Carries 8,000 kg to LEO or 4,000 kg to GTO. Launches Gaganyaan and deep-space probes.

DeployStage 4 of 5

Operational since 2014. 10+ successful missions. Carries commercial and government payloads including OneWeb.

Updated 23 Aug 2023Checked 10 Oct0 updates this week

Milestones

Next · LVM3 human certification validation continues

First LVM3 experimental flightDec 2014Complete.
Chandrayaan-3 Moon lander deploymentJul 2023Complete.
Commercial OneWeb satellite launches begin2023Complete.
LVM3 human certification validation continuesTarget 2026Not yet reached.
Gaganyaan uncrewed test flight G1Target Q4 2026Not yet reached.

Most important updates

Chandrayaan-3 moon lander soft-lands in lunar south polar region, India's first successful Moon landing23 Aug 2023

Upcoming

2026LVM3 human certification validation continues (next)
Q4 2026Gaganyaan uncrewed test flight G1
Q1 2027Gaganyaan crewed mission

Current obstacles

Launch cadence and infrastructureISRO's single launch pad at Sriharikota limits launch frequency. Commercial demand (OneWeb launches) competes with government missions for slots.
Reliability for crewed missionsLVM3 must demonstrate perfect reliability before humans fly. Any failure delays Gaganyaan and damages India's crewed-spaceflight credentials.

Physics limits

Cryogenic engine temperature managementLiquid hydrogen requires extreme refrigeration (20 K), making ground handling complex and increasing launch-pad turnaround time.
Single launch site bottleneckWith only Sriharikota available, launch rate is constrained by pad availability, integration capacity, and weather windows.

How it works

3 parts

Solid strap-ons

S200 boosters for initial acceleration

Two S200 boosters (205 t each) among the world's largest solid motors, burning in parallel for ~2 min.

Liquid core

L110 stage with Vikas engines

L110 uses 116 t Earth-storable propellant (N2O4/UDMH) and two Vikas engines for sustained thrust.

Cryogenic upper stage

C25 hydrogen-oxygen stage

C25 uses 28 t liquid hydrogen/oxygen for final velocity and precise orbital insertion.

Spec sheet

Spec	LVM3
Height	43.5 m^R (reported)
Liftoff mass	640 tonnes^R (reported)
Payload to LEO	8,000 kg^R (reported)
Payload to GTO	4,000 kg^R (reported)
S200 strap-on propellant per booster	205 tonnes^R (reported)

^R reported by the company

Peer comparison

Launch peers

Spec	LVM3	Avio Vega C	CASC (China Aerospace Science and Technology Corp.) Long March 10
Height	43.5 m^R (reported)	34.8 m^R (reported)	92.5 m^R (reported)
Liftoff mass	640 tonnes^R (reported)	—	2,189 tonnes^R (reported)
Payload to LEO	8,000 kg^R (reported)	2,300 kg^R (reported)	—

^R reported by the company

Update log

1 update

Wed 23 Aug 2023

Major: Chandrayaan-3 moon lander soft-lands in lunar south polar region, India's first successful Moon landingPressTest

About ISRO

The team behind LVM3

ISRO

Indian space agency, LVM3 launcher, Gaganyaan crewed mission

India's space agency, developing indigenous launch vehicles, satellites and deep-space probes. Founded 1969. Primary launcher is LVM3, capable of 8,000 kg to LEO or 4,000 kg to GTO.

ISRO operates LVM3, India's most powerful launcher, which has successfully deployed Chandrayaan-3 to the Moon and OneWeb satellite batches.
Gaganyaan (crewed program) targets uncrewed test G1 late 2026, crewed launch Q1 2027, sending 3 astronauts to 400 km for 7 days.
If successful, India will become only the fourth country to independently achieve human spaceflight, after Russia, USA, and China.

isro.gov.in (opens isro.gov.in)Company profile →

Founded: 196957 yrs
Headquarters: India
Status: Public
Valuation: public
Works in: SpaceflightLaunch
Coverage: 2 programs · 3 updateslatest 1 May 2025checked 10 Oct
Partners: European Space Agency (opens esa.int)NASA (opens nasa.gov)Government of India (opens gov.in)
People: Dr. V. Narayanan (opens isro.gov.in)Chairman

Spec

LVM3

Height

43.5 m^R (reported)

Liftoff mass

640 tonnes^R (reported)

Payload to LEO

8,000 kg^R (reported)

Payload to GTO

4,000 kg^R (reported)

S200 strap-on propellant per booster

205 tonnes^R (reported)

Spec

LVM3

Avio Vega C

CASC (China Aerospace Science and Technology Corp.) Long March 10

Height

43.5 m^R (reported)

34.8 m^R (reported)

92.5 m^R (reported)

Liftoff mass

640 tonnes^R (reported)

—

2,189 tonnes^R (reported)

Payload to LEO

8,000 kg^R (reported)

2,300 kg^R (reported)

—