Subscribe free to our newsletters via your
Rocket Science News and Technology
February 03, 2016
Ascent Trajectories and the Gravity Turn
Launchspace Staff Writers
Bethesda MD (SPX) Jan 26, 2016 Almost all space launch vehicles liftoff from the ground in the vertical direction and continue to orbit along an ascent trajectory that is usually optimized for the conditions in order to maximize performance while maintaining conservative safety margins. The actual shape of the path to orbit is influenced by a number of factors, including winds and the desired payload injection parameters. However, the ideal trajectory profile is based on reaching orbital speed, a ... read more

.
Buy Advertising Media Advertising Kit Editorial & Other Enquiries Privacy statement
Free Newsletters - Space News - Defense Alert - Environment Report - Energy Monitor

Satellite Services supplies on-board sub-systems for smallsats and microsats.
..
Bezos space firm duplicates reusable rocket breakthrough
..
The Path to the Pad
..
US Senator McCain to introduce bill to end use of Russian rocket engines
..
Tempur-Pedic Mattress Comparison & Memory Foam Mattress Review
. .
Space News from SpaceDaily.com
Consistency of Earth's magnetic field history surprises scientists

Yale has a front-row seat for a new, international space mission: ASTRO-H

Dawn now circling Ceres in its final orbit

Red or White? Healthy Humans Need Both

China Conducts Final Tests on Most Powerful Homegrown Rocket

N. Korea launches space rocket in defiance of sanctions threats

Sentinel-3A fully tanked

..
Russia to phase out importing Ukrainian Rocket Parts
Russia's Roscosmos space agency plans to gradually stop using Ukrainian-made rocket parts after a breakdown in space cooperation, the organization's spokesperson said Thursday. Deteriorating r ... more
..
Last Leg of Welding Underway on Conical SLS Test Hardware
The aft cone, or bottom portion, of a test version of the launch vehicle stage adapter (LVSA) for the world's most powerful rocket, NASA's Space Launch System, is moved out of a weld tool after unde ... more
..
Russia developing futuristic methane-powered rocket propulsion
Russian federal agency Roscosmos plans to develop a natural-gas-powered rocket engine. The federal space exploration program for 2016-2025 guarantees funding for the project. According to news ... more
..
China to debut new carrier rockets
China will send two new models of carrier rocket in the Long March series on their maiden space trips in 2016, the China Aerospace Science and Industry Corporation (CASC) said on Saturday. The ... more
..
Orbital ATK Receives Award for Rocket Propulsion System Development
Orbital ATK has been awarded a $47 million contract from the U.S. Air Force Space and Missile Systems Center Launch Systems Directorate for the development of a solid rocket propulsion system protot ... more
..
Orbital ATK tests 3D-printed hypersonic engine combustor
Orbital ATK has announced a successful test of a 3D-printed hypersonic engine combustor at NASA Langley Research Center. ... more
..
Air Force awards two rocket propulsion system prototype OTAs
The Space and Missile Systems Center has awarded the first two Other Transaction Agreements (OTAs) for shared public-private investments in Rocket Propulsion System (RPS) prototypes to SpaceX for de ... more
..
Aerojet Rocketdyne to mature development of MPS-130 CubeSat propulsion system
Aerojet Rocketdyne has entered a public-private partnership with NASA to mature the development of an MPS-130 CubeSat propulsion system using a green propellant, known as AF-M315E. Once fully ... more
Free Newsletters - Space News - Defense Alert - Environment Report - Energy Monitor
..
Second SLS Test Stand Begins Rise at NASA Marshall
A crane moves the first steel tier to be bolted into place on Jan. 6, for welding of a second new structural test stand at NASA's Marshall Space Flight Center in Huntsville, Alabama - critical to de ... more
..
Russia concludes upgraded Soyuz-2 flight tests
Russia's flight test commission has decided to complete testing Soyuz-2.1a and Soyuz-2.1b rockets and to hand the launch vehicles over for operation by the Defense Ministry and Russian state corpora ... more
..
Falcon 9 Succeeds in Historical First-Stage Landing - But?
On the eve of the Winter Solstice SpaceX engineers achieved a historic first achievement. The first stage of a Falcon 9 launch vehicle, after boosting the upper stage to a planned separation point, ... more
..
Russia to Deliver 20 RD-180 Engines to US for Atlas 5 Carrier Rockets
Russia's space and rocket company, Energomash, will deliver 20 RD-180 engines to the United States by 2019 for the US Atlas 5's first-stage rocket carriers, Energomash said Thursday. The US Congress ... more
..
SpaceX landing is a 'feat', but not a game-changer
A day after SpaceX pulled off an upright landing of its powerful Falcon 9 rocket, the head of France's space agency called it a "technological feat" but warned of more work ahead. ... more
..
SpaceX sticks landing of rocket in landmark recycle bid
SpaceX stuck the landing of its powerful Falcon 9 rocket Monday, in what the company hailed as a landmark success toward one day making rockets as reusable as airplanes. ... more
..
Aerojet completes design milestone for AR1 Engine
Aerojet Rocketdyne has completed a key design milestone for its AR1 rocket engine this week. AR1 is an American-made engine that is being developed as a direct replacement for the Russian-made RD-18 ... more
..
XCOR claims major breakthrough with its engine technology
XCOR Director of Engineering and acting CTO Michael Valant announced that his team has reached an important milestone in the development of the reusable 5K18 Lynx main propulsion rocket engine. His ... more
Free Newsletters - Space News - Defense Alert - Environment Report - Energy Monitor
24/7 Energy News Coverage
Graphene is strong, but is it tough?

Obama seeks to double US funds for clean energy research

Chinese market electrifying for 'green' cars

Central Appalachia flatter as result of mountaintop mining

Metal oxide sandwiches: New option to manipulate properties of interfaces

Scientists guide gold nanoparticles to form 'diamond' superlattices

Breaking through insect shells at a molecular level

..
DoD to reply to McCain's letter on Russian rocket engines
The US Department of Defense will reply to the letter of US Senate Armed Services Committee Chairman John McCain regarding the using of Russian RD-180 rocket engines, Department spokesperson Maureen ... more
..
Vega graduates with perfect record
Europe's Vega light launcher is entering its commercial life boasting a flawless record and an impressive set of capabilities for a wide range of missions. Vega scored its sixth straight succe ... more
..
NASA Marshall Prepares for SLS Foam Testing
It's "Operation Insulation" for NASA's new rocket, the Space Launch System, at the agency's Marshall Space Flight Center in Huntsville, Alabama. Steve Bray, above, a Bevilacqua Research Corp. ... more
..
LISA Pathfinder carries advanced NASA thruster tech
The LISA Pathfinder spacecraft is on its way to space, having successfully launched from Kourou, French Guiana (Dec. 3 local time/Dec. 2 PST). On board is the state-of-the-art Disturbance Reduction ... more
..
Bezos takes big step towards reusable commercial space flight
Last week Jeff Bezos' space company demonstrated the first launch and return of Blue Origin's reusable rocket-powered stage. This unmanned "New Shepard" rocket lifted off from a west Texas test and ... more
..
Progress continues on test version of SLS Connection Hardware
The forward cone for a test version of the launch vehicle stage adapter (LVSA) - part of NASA's new rocket, the Space Launch System - is lifted out of a weld tool following completion of eight verti ... more
..
USAF works with Congress to get leeway on using Russian RD-180 Engines
The US air force is working with Congress to ease restrictions on using Russian RD-180 rocket engines, US Air Force Secretary Deborah Lee James stated on Wednesday. In 2014, Congress passed a ... more
..
Laser Power: Russia develops energy beam for satellite refueling
Russian scientists have developed a unique system for the transmission of electricity between spacecraft using lasers and photoelectric converters, according to the Russian daily Izvestia. Fed ... more
The contents herein, unless otherwise known to be public domain, are Copyright 1995-2015 - SpaceDaily. AFP and UPI Wire Stories are copyright Agence France-Presse and United Press International. ESA Portal Reports are copyright European Space Agency. All NASA sourced material is public domain. Additional copyrights may apply in whole or part to other bona fide parties. Advertising does not imply endorsement, agreement or approval of any opinions, statements or information provided by SpaceDaily on any web page published or hosted by SpaceDaily. Privacy statement
Free Newsletters - Space News - Defense Alert - Environment Report - Energy Monitor
Buy Advertising Media Advertising Kit Editorial & Other Enquiries Privacy statement