2026-244Latest orbital launch: Falcon 9 · Starlink Group 15-16 · Oct 27, 2026 · VandenbergLaunch record →
sci-techmaventhe history of spaceflight, in data
sci-techmaven
Launch logAdvertise
  1. Home
  2. Launches
  3. 2011
  4. 2011-045
// orbital launch

Ekspress AM-4

Proton-M/Briz-M launch from Baikonur (Russia) on August 17, 2011, carrying 1 payload. GCAT records the launch as a failure.

August 17, 2011 · 21:25 UTCLaunch 2011-045Launch no. 5,150 in the log
RocketProton-M/Briz-Mvariant III
SpaceportBaikonurpad LC200/39
OutcomeFailure · 0.4stage 4 guidance or control failure
Launch agencyKhrunichevRussia

Flight

Date and time (UTC)
August 17, 2011, 21:25
Launch designation
2011-045
Mission
Ekspress AM-4
Vehicle flight ID
935-21/99522

Orbit and payload

Initial apogee
20,416 km
Payload mass to orbit
6.7 t
Payloads
1
GCAT launch code
OF40 · S4G

Payloads

PayloadDesignationOwnerMission typeMassFate
Ekspress AM-42011-045ANORAD 37798Russian Satellite Communications Co.Communications5,700 kgDeorbited · Mar 25, 2012

Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.