THE VEHICLE THE SATELLITE
www.ilslaunch.com Pr o t o n Hi s t o r y Pr o t o n Description Lead designer Vladimir Chelomei designed To t a l He i g h t Proton as both a powerful rocket for military 56.2 m (185 ft) payloads and as a high-performance ICBM. The program was later changed, and the Proton Gr oss Li f t o f f rocket was developed exclusively for launching We i g h t spacecraft. 705,000 kg (1,554,000 lb)
First named UR-500, but later adopted the Pr o p e l l a n t
name “Proton,” in honor of the first three UDMH and N2O4 payloads launched. In i t i a l La u n c h 16 July 1965 Proton launched Russian interplanetary Proton-1 Spacecraft missions to the Moon, Venus, Mars, and Halley’s Comet. Pa y l o a d Fa i r i n g s There are multiple payload Proton launched the Salyut space sta- fairing designs presently qualified for flight, including tions, the Mir core segment and both the standard commercial payload Zarya (Dawn) and Zvezda (Star) modules fairings developed specifically to for today’s International Space Station. meet the needs of our customers. First commercial Proton launch — Br e e z e M Up p e r St a g e 9 April 1996, ASTRA 1F. The Breeze M is powered by one pump-fed gimbaled main engine that develops thrust of 20 kN (4,500 lbf). It is composed of a central core and an auxilliary propellant tank which is jettisoned in flight following depletion. The Breeze M control system includes an on-board computer, a three-axis gyro stabilized platform, and a navigation system. The quantity of propellant carried is dependent Sa t e l l i t e Op e r a t o r on specific mission requirements and is varied to maximize mission Asia Satellite Telecommunications Co. Ltd. (AsiaSat) performance. www.asiasat.com AsiaSat 5 Pr o t o n Boos t e r Sa t e l l i t e Manufacturer is sion v e r v i e w The Proton booster is 4.1 m (13.5 ft) in diameter along its second and Space Systems/Loral M O third stages, with a first stage diameter of 7.4 m (24.3 ft). Overall height www.ssloral.com of the three stages of the Proton booster is 42.3 m (138.8 ft). 6th Proton Launch of 2009 / Pl a t f o r m 4th ILS Proton Launch of 2009 Th i r d St a g e 1300 Spacecraft Bus 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 Se p a r a t e d Ma ss 53rd Proton Launch for ILS 31 kN (7,000 lbf). Guidance, navigation, and control of the Proton M during 3,760 kg 4th AsiaSat Satellite Launched by ILS operation of the first three stages is carried out by a triple redundant closed-loop Sa t e l l i t e De s i g n Li f e digital avionics system mounted in the Proton’s third stage. 15 Years 12th Space Systems/Loral Satellite Se c o n d St a g e Sa t e l l i t e Mi ss i o n Launched on Proton Of conventional cylindrical design, this stage is powered by three RD-0210 engines AsiaSat 5 is a new generation satellite equipped with the latest plus one RD-0211 engine and develops a vacuum thrust of 2.4 MN (540,000 lbf). technology and new beam coverage to provide highest quality Fi r s t St a g e television broadcast, telephone networks and VSAT networks The first stage consists of a central tank containing the oxidizer surrounded by six out- for broadband multimedia services across Asia Pacific. In ad- board fuel tanks. Each fuel tank also carries one of the six RD-276 engines that provide dition to a very powerful pan-Asian C-band footprint and the first stage power. Total first stage vacuum-rated level thrust is 11.0 MN (2,500,000 lbf). improved Ku-band East Asia beam, AsiaSat 5’s new Ku-band South Asia and in-orbit steerable beams are designed to serve The Proton and the Breeze M are built by Khrunichev State Research and Production new market requirements and to offer full backup capability in Space Center. network coverage with AsiaSat’s existing satellites AsiaSat 3S and AsiaSat 4. AsiaSat 5, a replacement satellite for AsiaSat 2, will be located at 100.5 degrees East. THE MISSION
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MISSION DESCRIPTION GROUND TRACK
The Proton launch vehicle, utilizing a 4-burn Breeze M 7UDQVIHU2UELW mission design, will lift off from Pad 39 at Baikonur Cosmodrome, Kazakhstan, with the AsiaSat 5 satellite
on board. The first three stages of the Proton will use a /LIWRII standard ascent profile to place the Orbital Unit (Breeze M upper stage and AsiaSat 5) into a sub-orbital trajectory. QGUG6WDJH From this point in the mission, the Breeze M will perform 6HSDUDWLRQ 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 geo- 3DUNLQJ2UELW transfer orbit. Separation of the AsiaSat 5 satellite is scheduled to occur approximately 9 hours, 15 minutes after liftoff. ,QWHUPHGLDWH2UELW
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ASCENT PROFILE PROTON M ON PAD 39 ORBIT INSERTION