Ariane 6 by ArianeGroup / Arianespace: status and timeline

Ariane 6

Europe's heavy-lift launcher in Ariane 62 (2 boosters) and Ariane 64 (4 boosters) variants for satellites, Galileo resupply and megaconstellation deployment.

DeployStage 4 of 5

In service, 300+ satellites deployed. Engine anomaly Aug 2026 reduced flights to 6; targeting 15+/year.

Updated 12 Feb 2026Checked 10 Oct0 updates this week

Milestones

Next · Planned launch cadence recovery to 15+ flights/year

Ariane 6 inaugural flight9 Jul 2024Complete.
First Ariane 64 launch with four boosters and Amazon Leo12 Feb 2026Complete.
Amazon Leo constellation >300 satellites deployedJun 2026Complete.
Engine turbopump anomaly detected, flight cadence reducedAug 2026Complete.
Planned launch cadence recovery to 15+ flights/yearTarget 2027Not yet reached.

Most important updates

Upcoming

Dec 2026PLATO science mission launchin about 7 weeks (next)
2027Planned launch cadence recovery to 15+ flights/year

Current obstacles

Engine reliability and manufacturingAn August 2026 turbopump anomaly in the Vulcain core engine reduced 2026 flight cadence to 6 missions, highlighting quality challenges at scale.
Cost per launch competitivenessFalcon 9 reusability sets €70M floor. Ariane 6 targets €70–75M but actual costs exceed €100M.

Physics limits

Single-use first stageUnlike Falcon 9, Ariane 6's first stage is expendable, which raises per-mission cost and launch frequency limits compared to reusable architectures.
Cryogenic engine complexityLiquid hydrogen and oxygen engines require careful handling, frequent testing and thermal management, which raises development and operations costs.
Launch site locationFrench Guiana's equatorial location is ideal for geostationary missions but creates logistics costs for European operations.

How it works

3 parts

Core stage

Vulcain 2.1 cryogenic engine

Uses liquid hydrogen and oxygen for high specific impulse. The core stage is shared between Ariane 62 and 64 variants.

Boosters

Solid rocket motors P120C

Two or four solid boosters provide additional thrust during first-stage burn. Four boosters (Ariane 64) roughly double the payload capacity.

Upper stage

Re-ignitable Vinci engine

The cryogenic upper stage uses Vinci that restarts for multiple orbits, deploying payloads at different altitudes in one flight.

Spec sheet

Spec	Ariane 6
Height	93 m^R (reported)
Diameter	5.4 m^R (reported)
Ariane 62 payload to LEO	10.35 tonnes^R (reported)
Ariane 64 payload to LEO	21.65 tonnes^R (reported)
Ariane 64 payload to GTO	11.5 tonnes^R (reported)
Ariane 64 trans-lunar injection	8.2 tonnes^R (reported)

^R reported by the company

Peer comparison

Launch peers

Spec	Ariane 6	Skyroot Aerospace Vikram-1	CASC (China Aerospace Science and Technology Corp.) Long March 10	LandSpace Zhuque-3
Height	93 m^R (reported)	20 m^R (reported)	92.5 m^R (reported)	76.6 m^R (reported)
Diameter	5.4 m^R (reported)	1.7 m^R (reported)	5 m^R (reported)	4.5 m^R (reported)

^R reported by the company

Papers & demos

1 item

9 Jul 2024demo
Ariane 6 inaugural flight (opens esa.int)First test flight of Europe's new heavy-lift launcher, carrying 17 payloads including re-entry demonstrator and small satellites.

Update log

2 updates

Thu 12 Feb

Major: Ariane 64 four-booster variant launches 32 satellites for Amazon's Leo constellationPressCommercial

Tue 9 Jul 2024

Major: Ariane 6 inaugural flight succeeds with 17 payloads including re-entry demonstrator from German space agencyPressHardware

About ArianeGroup / Arianespace

The team behind Ariane 6

ArianeGroup / Arianespace

Ariane 6 heavy launcher, European access to space

ArianeGroup builds Ariane 6, Europe's heavy-lift launcher. A 50/50 joint venture between Airbus and Safran formed in 2015. Arianespace operates launches from French Guiana for telecommunications, Earth observation, science and megaconstellation deployment.

Ariane 6 inaugural flight on 9 July 2024 deployed over 300 satellites for Amazon's Leo constellation by mid-2026.
An engine anomaly in August 2026 reduced flight frequency to 6 missions; 30+ flights booked; targeting 15+/year cadence.
Lifts 21.6 t to LEO, 8.2 t to lunar orbit. Modular Ariane 62/64 variants serve institutional and commercial customers.

ariane.group (opens ariane.group)Company profile →

Founded: 201511 yrs
Headquarters: France
Status: Private
Valuation: private
Staff: ~8,000
Works in: SpaceflightLaunch
Coverage: 1 program · 3 updateslatest 23d agochecked 10 Oct
Customers: Amazon / Kuiper Systems (opens kuiper.amazon.com)
Partners: European Space Agency (opens esa.int)
Investors: Airbus (opens airbus.com)Safran (opens safran-group.com)

Spec

Ariane 6

Height

93 m^R (reported)

Diameter

5.4 m^R (reported)

Ariane 62 payload to LEO

10.35 tonnes^R (reported)

Ariane 64 payload to LEO

21.65 tonnes^R (reported)

Ariane 64 payload to GTO

11.5 tonnes^R (reported)

Ariane 64 trans-lunar injection

8.2 tonnes^R (reported)

Spec

Ariane 6

Skyroot Aerospace Vikram-1

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

LandSpace Zhuque-3

Height

93 m^R (reported)

20 m^R (reported)

92.5 m^R (reported)

76.6 m^R (reported)

Diameter

5.4 m^R (reported)

1.7 m^R (reported)

5 m^R (reported)

4.5 m^R (reported)