THE VEHICLE THE SATELLITE
www.ilslaunch.com Proton History Proton Description Lead designer was Vladimir Chelomei, who Total Height designed it with the intention of creating a 58.2 m (191 ft) powerful rocket for both military payloads and as a high-performance ICBM. The program was Gross Liftoff changed, and the rocket was developed Weight exclusively for launching spacecraft. 702,000 kg (1,547,000 lb)
First named UR-500, but adopted the name Propellant
“Proton,” which also was the name of the UDMH and N2O4 first three payloads launched. Initial Launch 16 July 1965 Proton launched Russian interplanetary Proton-1 Spacecraft missions to the Moon, Venus, Mars, and Halley’s Comet. Payload Fairings There are multiple pay- Proton launched the Salyut space sta- load fairing designs pres- ently qualified for flight, tions, the Mir core segment and both the including standard commer- Zarya (Dawn) and Zvezda (Star) modules cial payload fairings developed for today’s International Space Station. specifically to meet the needs of our customers. First commercial Proton launch — 9 April 1996, ASTRA 1F. Breeze M Upper Stage The Breeze M is powered by one pump- fed gimbaled main engine that develops thrust of
19.6 kN (4,400 lbf). The Breeze M is composed of a October 2008 central core and a jettisonable additional propellant tank. Inert mass of the stage at liftoff is approximately Satellite Operator 2,370 kg (5,225 lb). The quantity of propellant carried is SES ASTRA dependent on specific mission requirements and is varied to ASTRA 1M www.ses-astra.com maximize mission performance. The Breeze M is controlled by a closed loop, triple-redundant guidance system. Satellite Manufacturer Mission Overview Proton Booster EADS Astrium 5th ILS launch of 2008 The Proton booster is 4.1 m (13.5 ft) in diameter along its second www.astrium.eads.net and third stages, with a first stage diameter of 7.3 m (24.0 ft). Overall height of the three stages of the Proton booster is 42.3 m (138.8 ft). Platform 48th Proton launch for ILS Eurostar E3000 Third Stage 7th ILS Proton launch for SES ASTRA Powered by one RD-0213 engine, this stage develops thrust of 583 kN (131,000 lbf), and a four-nozzle vernier engine that produces thrust of Separated Mass 31 kN (7,000 lbf). 5,320 kg 11th Eurostar satellite launched on Proton Second Stage Satellite Design Life Of conventional cylindrical design, this stage is powered by three RD-0210 15 Years engines plus one RD-0211 engine and develops a vacuum thrust of 2.3 MN (517,000 lbf). Mission First Stage ASTRA 1M will be positioned at SES ASTRA’s prime orbital posi- The first stage consists of a central tank containing the oxidizer surrounded by six tion, 19.2 degrees East, where it will provide pan-European outboard fuel tanks. Each fuel tank also carries one of the six RD-275 engines that provide first stage power. Total first stage sea-level thrust is approximately 9.6 MN coverage. It will primarily deliver direct-to-home services, in- (2,158,000 lbf) with a vacuum-rated level thrust of 10.5 MN (2,360,000 lbf). cluding high-definition television. The launch of the spacecraft will allow SES ASTRA to move capacity to its increasingly impor- The Proton and the Breeze M are built by Khrunichev State Research and Production tant orbital position, 23.5 degrees East. ASTRA 1M will carry 36 Space Center. transponders covering the FSS and BSS frequency bands. THE MISSION
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MISSION DESCRIPTION GROUND TRACK
The Proton M launch vehicle, utilizing a 5-burn Breeze M mission design, will lift off from Pad 39 at Baikonur Cosmodrome, Kazakhstan, with the ASTRA 1M satellite on board. The first three stages of the Proton will use a standard ascent profile to place the orbital unit (Breeze M upper stage and the ASTRA 1M satellite) QGUG6WDJH into a sub-orbital trajectory. From this point in the 6HSDUDWLRQ mission, the Breeze M will perform planned mission maneuvers to advance the orbital unit first to a circular parking orbit, then to an intermediate orbit, followed by a transfer orbit, and finally to a geosynchronous transfer orbit. Separation of the ASTRA 1M satellite is scheduled to occur approximately 9 hours, 12 minutes after liftoff.
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ASCENT PROFILE PROTON M ON PAD 39 ORBIT INSERTION