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CE-20

ISRO CE-20 indigenous gas-generator-cycle cryogenic upper-stage engine for LVM3. ISRO reports qualification across 19–22 tonne thrust levels, eight successful LVM3 missions, and completed human-rating requirements for Gaganyaan.

Identity

Domains
spaceflight
Identity Level
model
Kind
liquid-rocket-engine
Name
CE-20
Status
active

Details

Description
ISRO CE-20 indigenous gas-generator-cycle cryogenic upper-stage engine for LVM3. ISRO reports qualification across 19–22 tonne thrust levels, eight successful LVM3 missions, and completed human-rating requirements for Gaganyaan.
Developers
Manufacturers
Propellants
liquid hydrogenliquid oxygen
Rocket Specs
Cycle
gas-generator
Vacuum Specific Impulse S
442
Vacuum Thrust Kn
186.36

Links

Assets & Meta

Creation Time
July 29, 2026 at 08:31:23 UTC
Updated Time
August 15, 2026 at 08:10:42 UTC

Other

Sources
  • Accessed Date
    2026-08-15
    Note
    ISRO reports the CE-20 nominal vacuum thrust as 186.36 kN and specific impulse as 442 seconds for the LVM3 cryogenic upper stage.
    Publisher
    Indian Space Research Organisation
    Title
    ISRO successfully tests Cryogenic Engine (CE-20) for GSLV Mk-III / Chandrayaan-2 Mission
  • Accessed Date
    2026-08-14
    Note
    ISRO reports CE20 qualification from 19 to 22 tonne thrust, eight successful LVM3 missions, completed human-rating requirements, and a 22-tonne flight-acceptance hot test for the LVM3-M7 engine.
    Publisher
    Indian Space Research Organisation
    Title
    ISRO conducts Flight Acceptance Test of Cryogenic Engine successfully for next LVM3 mission
  • Accessed Date
    2026-07-29
    Note
    Supports the LVM3 installation and gas-generator cryogenic upper-stage context.
    Publisher
    Official vehicle or program source
    Title
    LVM3 official vehicle reference