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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.
Height 63.00 Meters
Max Stages 2
Mass To GTO 5000 kg
Liftoff Thrust 10370 kN
Diameter 5.40 Meters
Mass To LEO 10350 kg
Liftoff Mass 530 Tonnes
Launch Success 2
Consecutive Success 2
Maiden Flight 2024-07-09
Launch Failures 0
hitura-nobad
2025-03-06T18:43:00+0000
Launch successful.
hitura-nobad
2025-03-06T17:32:00+0000
Payload deployed!
hitura-nobad
2025-03-06T16:24:00+0000
Liftoff!
LL2
2025-03-06T15:53:00+0000
Official Webcast by arianespace has started
Cosmic_Penguin
2025-03-05T00:41:00+0000
Rescheduled for March 6.
Nosu
2025-03-04T07:49:00+0000
Next possible attempt on March 5, TBC
hitura-nobad
2025-03-03T16:08:00+0000
Launch attempt scrubbed. New launch date tba.
LL2
2025-03-03T16:02:00+0000
Official Webcast by arianespace has started
Nosu
2025-03-03T15:32:00+0000
Adding seconds to T-0
Nosu
2025-02-25T18:10:00+0000
Now targeting March 3 at 16:24 UTC
hitura-nobad
2025-02-21T12:19:00+0000
Delayed, new launch date TBA.
Nosu
2025-01-28T07:20:00+0000
Updating launch time and setting GO
Cosmic_Penguin
2024-11-27T01:44:00+0000
NET February 25.
Cosmic_Penguin
2024-11-08T17:53:00+0000
NET Mid-February.
Nosu
2024-07-09T23:00:08+0000
NET December 2024
Cosmic_Penguin
2023-10-09T10:46:02+0000
NET late 2024.
2025-03-07T04:58:52+0000
SpacePolicyOnline.com
2025-03-06T18:59:00+0000
European Spaceflight
2025-03-06T18:09:00+0000
ESA
2025-03-06T17:52:14+0000
SpaceNews
2025-03-06T17:10:00+0000
ESA
2025-03-06T17:10:00+0000
ESA
2025-03-04T22:41:13+0000
NASASpaceflight
2025-03-03T14:06:03+0000
Spaceflight Now
2025-02-27T13:06:00+0000
ESA
2025-02-11T21:40:51+0000
SpaceNews
2025-01-28T07:56:29+0000
European Spaceflight
2025-01-17T10:43:21+0000
European Spaceflight
2025-01-15T13:14:00+0000
ESA
2024-12-19T13:16:00+0000
ESA
2024-12-04T08:35:41+0000
European Spaceflight
2024-12-02T11:05:13+0000
European Spaceflight
2024-11-23T06:00:18+0000
European Spaceflight
2024-11-11T10:21:12+0000
European Spaceflight
2024-11-09T18:09:00+0000
The Launch Pad
2024-11-08T21:36:10+0000
SpaceNews