ISS-66 mission


ISS crew:

Commander -
Tomas Pesquet

Flight engineers:
Petr Dubrov
Mark Vande Hei
Robert Shane Kimbrough
Megan McArthur
Akihiko Hoshide
Anton Shkaplerov



December 4, 2012
EUTELSAT-70B SC launched by the Sea Launch system

At 00 hours: 44 minutes, Moscow Time, Integrated Launch Vehicle (ILV) Zenit-3SL with spacecraft (SC) EUTELSAT-70B as a payload was launched from Launch Platform (LP) "Odyssey" of the Sea Launch Rocket-Space Complex located in the Pacific Ocean equatorial area point with coordinates of 154W.

The launch objective is to deliver SC of 5,25 tons by mass to geosynchronous transfer orbit.

RSC Energia-made Upper Stage (US) DM-SL injected SC from low intermediate orbit into target orbit.

Mission Program envisaged a two-step firing of US main engine in an automatic mode. The first firing occurred in about 8,5 min after the launch (in 10 seconds after US with SC separation from the 2nd stage of LV). Upper Stage operation during the first firing lasted about 5,3 min. The second firing was conducted in about 50 min after the launch, the engine operation duration was, approximately, 6,3 min.

SC/US separation was performed under nominal timeline at 1 hour: 50 minutes Moscow Time.

Upper Stage delivered SC to a scheduled orbit with a high accuracy.

According to the Mission Program, upon SC separation, maneuver of US moving away to a safe orbit was performed.

An analysis of US DM-SL with SC flight and a subsequent US flight was performed by RSC Energia specialists working at RSC Energia's Upper Stage and Spacecraft Mission Control Center and maintaining permanent communication with Assembly Command Ship (ACS) "Sea Launch Commander" of the Sea Launch Complex.

Activities were conducted under supervision of V.A. Lopota, RSC President, General Designer.

The launch team under direct leadership of RSC Energia Deputy General Designer V.G. Aliev conducted prelaunch processing and launch of LV with US and SC onboard ACS "Sea Launch Commander" and LP "Odyssey".

Upon SC separation from Upper Stage, videocommunication session took place between RSC Energia President V.A. Lopota and the launch team managers, representatives of the EUTELSAT company working onboard ACS.


For reference:

  1. It was the fourth launch under the Sea Launch Program following the Sea Launch Company reorganization and the 34th launch according the Overall List of Launches from the Sea-based Platform.
  2. RSC Energia is the leading enterprise with respect to the Sea Launch Complex Rocket Segment, responsible for its outfitting and integration into the complex, which ensures together with subcontracting enterprises manufacture and operational use of Upper Stages DM-SL as the third Stage of ILV Zenit-3SL.
  3. DM type Upper Stages developed and manufactured by RSC Energia are designed to deliver SC from low near-earth orbits to high-energy orbits, including geosynchronous orbit, as well as to flight trajectories to the Moon and Solar System planets.
  4. Satellite EUTELSAT-70B was built by EADS Astrium company under the EUTELSAT company order on the basis of Astrium Eurostar E-3000 bus. It is intended to provide communication services to users from Europe, Africa, Asia and Australia. Scheduled service life is 15 years. Payload involves 48 transponders operating in Ku band. Spacecraft will replace the EUTELSAT-70A in orbit.


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October 28, 2021
LV Soyuz-2.1a with SC Progress MS-18 is launched
October 5, 2021
LV Soyuz-2.1a with SC Soyuz MS-19 is launched



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