Proton-M 935-21
Proton-M 935-21 was an individual Proton-M/Briz-M Phase III launch vehicle flown from Baikonur on 2011-08-17. The core launch proceeded, but an upper-stage or injection anomaly left Ekspress-AM4 short of the intended orbit.
Identity
- Aliases
- Ekspress-AM4 launch vehicle8K82KM 935-21 Proton
- Name
- Proton-M 935-21
- Slug
- proton-m-935-21
- Status
- retired
Details
- Description
- Proton-M 935-21 was an individual Proton-M/Briz-M Phase III launch vehicle flown from Baikonur on 2011-08-17. The core launch proceeded, but an upper-stage or injection anomaly left Ekspress-AM4 short of the intended orbit.
- Operator Id
- vh7c9dcm6eswqyvh2vsqq53es57ngjhr
- Vehicle Family Id
- nd7kd6zq75swtkvq14s48cj53d8ap3c1
Links
- Official Url
- https://sma.nasa.gov/LaunchVehicle/proton.html
Assets & Meta
- Creation Time
- 7/17/2026, 4:17:52 AM
- Updated Time
- 7/17/2026, 4:17:52 AM
Other
- First Flight Date
- 2011-08-17
- Last Flight Date
- 2011-08-17
- Serial Number
- 935-21
- Vehicle Code
- 8K82KM 935-21