Orion Flight Test Loaded with almost 1,200 sensors, Orion completed a two-orbit, 4.5-hour flight to test many of the systems most critical to safety before it carries astronauts. Optimal orbit for each customer, delivering industry best spacecraft orbital insertion accuracy. [8] The Delta IV Heavy can lift 28,370 kg (62,550 lb) to low Earth orbit and 13,810 kg (30,450 lb) to geostationary transfer orbit (GTO). [11], The Delta IV Heavy's total mass at launch is approximately 733,000 kg (1,616,000 lb) and produce around 952,000 kg (2,099,000 lb) of thrust to power the rocket skyward at liftoff. In December 2014, the Delta IV Heavy was used to launch an uncrewed test flight of the Orion spacecraft, designated Exploration Flight Test 1 (EFT-1). The Delta IV launch system is available in three configurations: the Delta IV Medium+, with two or four solid rocket motors (SRMs), and the Delta IV Heavy. Both the Atlas V and the Delta IV rely on the RL10 propulsion system to power their second stages. It also produces 650,000 pounds (2,891 kN) of thrust at liftoff. Watch live as ULA's Delta IV Heavy rocket lifts off from Cape Canaveral with the NROL-44 mission for the National Reconnaissance Office (NRO). United Launch Alliance’s Delta IV Heavy rocket successfully launched a classified National Reconnaissance Office (NRO) payload, codenamed NROL-44 … The payload fairing (PLF) provides a controlled, safe environment for spacecraft during ascent. Delta IV Heavy Models. GEO (Geosynchronous Orbit)=35,786 km Circular at 0 deg, GTO (Geosynchronous Transfer Orbit)=35,786 km x 185 km at 27.0 deg LEO (Low Earth Orbit-Reference) =200 km circular at 28.7 deg or 90 deg, LEO ISS (Low Earth Orbit-International Space Station) =407 km circular at 51.6 deg. Maven to Mars Men's Short Sleeve T-shirt $19.00. The Delta IV Heavy is the most powerful member of the line, which also includes the smaller Delta IV Medium. The United Launch Alliance Delta IV Heavy rocket for Exploration Flight Test-1 rolled from the Horizontal Integration Facility to the pad at Space Launch Complex 37 at Cape Canaveral Air Force Base in Florida. [23], variant of the Delta IV space launch vehicle, The officially reported mass of 21,000 kg includes the Launch Abort System (LAS) which did not reach orbit, but excludes the residual mass of the upper stage, which, Comparison of space station cargo vehicles, "Delta IV Payload Planner's Guide, June 2013", "Falcon Heavy, SpaceX's Big New Rocket, Succeeds in Its First Test Launch", "Boeing Delta IV Heavy Achieves Major Test Objectives in First Flight", "Delta 4-Heavy likely heading for geosynchronous orbit with top secret payload", "Delta IV Heavy: Powerful Launch Vehicle", "Delta 4-Heavy investigation identifies rocket's problem", "Second Stage Ignites as First Stage Falls Away", "Delta IV Launch Services User's Guide - June 2013", "The Heavy: Triple-sized Delta 4 rocket to debut", "Live coverage: Launch of Delta 4-Heavy rocket set for early Saturday", "NASA Orion Exploration Flight Test-1 PRESS KIT", "Surveillance satellite launching Thursday atop Delta IV Heavy rocket", http://www.sworld.com.au/steven/space/usmil-man.txt, "Air Force awards ULA US$1.18 billion contract to complete five Delta IV Heavy NRO missions", "ULA to launch Delta IV Heavy for its 12th mission, four more to go before rocket is retired", Delta IV Booster Integration Another Step Toward First Orion Flight, Cape Canaveral Air Force Station Space Launch Complex 37, Cape Canaveral Air Force Station Space Launch Complex 41, Vandenberg Air Force Base Space Launch Complex 3, Vandenberg Air Force Base Space Launch Complex 6, Vandenberg Air Force Base Space Launch Complex 2, https://en.wikipedia.org/w/index.php?title=Delta_IV_Heavy&oldid=1019896106, All Wikipedia articles written in American English, Creative Commons Attribution-ShareAlike License, Low Earth orbit (ISS), 407 km × 51.6°: 25,980 kg (57,280 lb), This page was last edited on 26 April 2021, at 01:26. 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