Aurora
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LoadingAriane 62
Ariane 62 | CSO-3
Ariane 62 | CSO-3 launched on Thu, Mar 6, 2025, 04:24 PM UTC — a Arianespace mission.
Launch SuccessfulArianespace
Lifted offNET Mar 2025
NET Thu, Mar 6, 2025, 04:24 PM UTC
Live coverage
Watch the webcasts
2 streams available — switch between the provider’s feed, X and others.
Mission profile
The flight at a glance
Ariane 62Vehicle
ArianespaceProvider
Ariane Launch Area 4Pad
Guiana Space Centre, French GuianaLocation
Government/Top SecretMission type
Sun-Synchronous OrbitOrbit
Flight sequence
Mission timeline
Key events from liftoff — ignition, staging, separation and deployment — with their times relative to T0.
- IgnitionT- 00:00:07
- LiftoffT+ 00:00:00
- SRB SeparationT+ 00:02:18
- Fairing SeparationT+ 00:04:30
- Stage 2 SeparationT+ 00:07:46
- SES-1T+ 00:07:54
- SES-2T+ 00:56:21
- Payload SeparationT+ 01:06:00
- SES-3T+ 02:00:00
Flight simulation
Ascent to orbit
A representative gravity-turn climb for Ariane 62 to Sun-Synchronous Orbit. Illustrative model — not this mission’s live telemetry.
Mission timeT+0:00
Altitude0.0 km
Velocity0.00 km/s
PhaseLiftoff
T+0:00 / 9:20
SimulatedRepresentative Ariane 62 ascent profile — illustrative model, not this mission’s live telemetry.
The mission
CSO-3
The CSO-3 (Composante Spatiale Optique-3 satellite is the third of three new-generation high-resolution optical imaging satellites for the French military, replacing the Helios 2 spy satellite series.
Around this launch
Related news
No news linked to this launch yet
As coverage publishes, deduplicated articles about this mission will appear here.
Good to know
Frequently asked
What time does Ariane 62 | CSO-3 launch?
Ariane 62 | CSO-3 is scheduled to lift off Thu, Mar 6, 2025, 04:24 PM UTC.
Where can I watch Ariane 62 | CSO-3?
Watch the official live webcast embedded on this page — it goes live shortly before liftoff.
Who is launching Ariane 62 | CSO-3?
Ariane 62 | CSO-3 is an Arianespace mission flying on a Ariane 62.
Where does Ariane 62 | CSO-3 launch from?
It lifts off from Ariane Launch Area 4, Guiana Space Centre, French Guiana.