Commercial Space Technology Roadmap
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50 Satellite Formation-Flying and Rendezvous
Parkinson, et al.: Global Positioning System: Theory and Applications — Chap. 50 — 2017/11/26 — 19:03 — page 1 1 50 Satellite Formation-Flying and Rendezvous Simone D’Amico1) and J. Russell Carpenter2) 50.1 Introduction to Relative Navigation GNSS has come to play an increasingly important role in satellite formation-flying and rendezvous applications. In the last decades, the use of GNSS measurements has provided the primary method for determining the relative position of cooperative satellites in low Earth orbit. More recently, GNSS data have been successfully used to perform formation-flying in highly elliptical orbits with apogees at tens of Earth radii well above the GNSS constellations. Current research aims at dis- tributed precise relative navigation between tens of swarming nano- and micro-satellites based on GNSS. Similar to terrestrial applications, GNSS relative navigation benefits from a high level of common error cancellation. Furthermore, the integer nature of carrier phase ambiguities can be exploited in carrier phase differential GNSS (CDGNSS). Both aspects enable a substantially higher accuracy in the estimation of the relative motion than can be achieved in single-spacecraft navigation. Following historical remarks and an overview of the state-of-the-art, this chapter addresses the technology and main techniques used for spaceborne relative navigation both for real-time and offline applications. Flight results from missions such as the Space Shuttle, PRISMA, TanDEM-X, and MMS are pre- sented to demonstrate the versatility and broad range of applicability of GNSS relative navigation, from precise baseline determination on-ground (mm-level accuracy), to coarse real-time estimation on-board (m- to cm-level accuracy). -
2008 Estes-Cox Corp. All Rights Reserved
Estes-Cox Corp. 1295 H Street, P.O. BOX 227 Patent Pending Penrose, CO 81240-0227 ©2008 Estes-Cox Corp. All rights reserved. (9-08) PN 2927-8 TABLE OF CONTENTS HOW DO I START MY OWN ESTES ROCKET FLEET? The best way to begin model rocketry is with an Estes flying model rocket Starter Set or Launch Set. You can ® Index . .2 Skill Level 2 Rocket Kits . .30 either start with a Ready To Fly Starter Set or Launch Set that has a fully constructed model rocket or an E2X How To Start . .3 Skill Level 3 Rocket Kits . .34 Starter Set or Launch Set with a rocket that requires assembly prior to launching. Both types of sets come What to Know . .4 ‘E’ Engine Powered Kits . .36 complete with an electrical launch controller, adjustable launch pad and an information booklet to get you out Model Rocket Safety Code . .5 Blurzz™ Rocket Racers . .36 and flying in no time. Starter Sets include engines, Launch Sets let you choose your own engines (not includ- Ready To Fly Starter Sets . .6 How Model Rocket Engines Work . .38 ed). You’ll need four ‘AA’ alkaline batteries and perhaps glue, depending on which set you select. E2X® Starter Sets . .8 Model Rocket Engine Chart . .39 Ready to Fly Launch Sets . .10 Engine Time/Thrust Curves . .40 Launch Sets . .12 Model Rocket Accessories . .41 HOW EASY AND HOW MUCH TIME DOES IT TAKE TO BUILD MY ROCKETS? Ready To Fly Rockets . .14 Estes R/C Airplanes . .42 ® E2X Rocket Kits . .16 Estes Educator™ Products . -
Evaluation of Stereoscopic Geoeye-1 Satellite Imagery to Assess Landscape and Stand Level Characteristics
EVALUATION OF STEREOSCOPIC GEOEYE-1 SATELLITE IMAGERY TO ASSESS LANDSCAPE AND STAND LEVEL CHARACTERISTICS K. Kliparchuk, M.Sc, GISP a, Dr. D. Collins, P.Geo. b a Hatfield Consultants Partnership, 200-850 Harbourside Drive, North Vancouver, BC, V7P0A3 Canada – [email protected] b BC Ministry of Forests and Range, Coast Forest Region, 2100 Labieux Road, Nanaimo, BC, V9T6E9, Canada - [email protected] Commission I, WG I/3 KEY WORDS: Remote sensing, GeoEye-1, effectiveness evaluation, forest resource management, stereo, photogrammetry ABSTRACT: An ongoing remote sensing project has been underway within the Coast Forest Region since 2000. The initial parts of the project investigated the application of commercially available high-resolution satellite imagery to resource feature mapping and compliance and enforcement surveillance. In the current project, stereo imagery from the new GeoEye-1 satellite was acquired. This system provides 0.5m panchromatic and 1.65m colour imagery, which is approximately a four time increase in spatial resolution compared to IKONOS imagery. Stereo imagery at this resolution enables the delineation of single trees, coarse woody debris measurement and the generation of Digital Elevation Models and estimation of volumes of material displaced by landslides. Change detection and identification of high priority zones for Compliance & Enforcement investigation is greatly enhanced. Results of this research are presented and discussed. 1. INTRODUCTION 1.1 Introduction The initial focus of the project was to investigate the application of commercially available high-resolution satellite imagery to resource feature mapping and compliance and enforcement surveillance. A previous published study by the authors in 2008 extended the use of high resolution IKONOS imagery through Figure 1. -
Space Launch System (Sls) Motors
Propulsion Products Catalog SPACE LAUNCH SYSTEM (SLS) MOTORS For NASA’s Space Launch System (SLS), Northrop Grumman manufactures the five-segment SLS heavy- lift boosters, the booster separation motors (BSM), and the Launch Abort System’s (LAS) launch abort motor and attitude control motor. The SLS five-segment booster is the largest solid rocket motor ever built for flight. The SLS booster shares some design heritage with flight-proven four-segment space shuttle reusable solid rocket motors (RSRM), but generates 20 percent greater average thrust and 24 percent greater total impulse. While space shuttle RSRM production has ended, sustained booster production for SLS helps provide cost savings and access to reliable material sources. Designed to push the spent RSRMs safely away from the space shuttle, Northrop Grumman BSMs were rigorously qualified for human space flight and successfully used on the last fifteen space shuttle missions. These same motors are a critical part of NASA’s SLS. Four BSMs are installed in the forward frustum of each five-segment booster and four are installed in the aft skirt, for a total of 16 BSMs per launch. The launch abort motor is an integral part of NASA’s LAS. The LAS is designed to safely pull the Orion crew module away from the SLS launch vehicle in the event of an emergency on the launch pad or during ascent. Northrop Grumman is on contract to Lockheed Martin to build the abort motor and attitude control motor—Lockheed is the prime contractor for building the Orion Multi-Purpose Crew Vehicle designed for use on NASA’s SLS. -
L AUNCH SYSTEMS Databk7 Collected.Book Page 18 Monday, September 14, 2009 2:53 PM Databk7 Collected.Book Page 19 Monday, September 14, 2009 2:53 PM
databk7_collected.book Page 17 Monday, September 14, 2009 2:53 PM CHAPTER TWO L AUNCH SYSTEMS databk7_collected.book Page 18 Monday, September 14, 2009 2:53 PM databk7_collected.book Page 19 Monday, September 14, 2009 2:53 PM CHAPTER TWO L AUNCH SYSTEMS Introduction Launch systems provide access to space, necessary for the majority of NASA’s activities. During the decade from 1989–1998, NASA used two types of launch systems, one consisting of several families of expendable launch vehicles (ELV) and the second consisting of the world’s only partially reusable launch system—the Space Shuttle. A significant challenge NASA faced during the decade was the development of technologies needed to design and implement a new reusable launch system that would prove less expensive than the Shuttle. Although some attempts seemed promising, none succeeded. This chapter addresses most subjects relating to access to space and space transportation. It discusses and describes ELVs, the Space Shuttle in its launch vehicle function, and NASA’s attempts to develop new launch systems. Tables relating to each launch vehicle’s characteristics are included. The other functions of the Space Shuttle—as a scientific laboratory, staging area for repair missions, and a prime element of the Space Station program—are discussed in the next chapter, Human Spaceflight. This chapter also provides a brief review of launch systems in the past decade, an overview of policy relating to launch systems, a summary of the management of NASA’s launch systems programs, and tables of funding data. The Last Decade Reviewed (1979–1988) From 1979 through 1988, NASA used families of ELVs that had seen service during the previous decade. -
Galileo FOC-M7 SAT 19-20-21-22
LAUNCH KIT December 2017 VA240 Galileo FOC-M7 SAT 19-20-21-22 VA240 Galileo FOC-M7 SAT 19-20-21-22 ARIANESPACE’S SECOND ARIANE 5 LAUNCH FOR THE GALILEO CONSTELLATION AND EUROPE For its 11th launch of the year, and the sixth Ariane 5 liftoff from the Guiana Space Center (CSG) in French Guiana during 2017, Arianespace will orbit four more satellites for the Galileo constellation. This mission is being performed on behalf of the European Commission under a contract with the European Space Agency (ESA). For the second time, an Ariane 5 ES version will be used to orbit satellites in Europe’s own satellite navigation system. At the completion of this flight, designated Flight VA240 in Arianespace’s launcher family numbering system, 22 Galileo spacecraft will have been launched by Arianespace. Arianespace is proud to deploy its entire family of launch vehicles to address Europe’s needs and guarantee its independent access to space. Galileo, an iconic European program Galileo is Europe’s own global navigation satellite system. Under civilian control, Galileo offers guaranteed high-precision positioning around the world. Its initial services began in December CONTENTS 2016, allowing users equipped with Galileo-enabled devices to combine Galileo and GPS data for better positioning accuracy. The complete Galileo constellation will comprise a total of 24 operational satellites (along with > THE LAUNCH spares); 18 of these satellites already have been orbited by Arianespace. ESA transferred formal responsibility for oversight of Galileo in-orbit operations to the GSA VA240 mission (European GNSS Agency) in July 2017. Page 3 Therefore, as of this launch, the GSA will be in charge of the operation of the Galileo satellite Galileo FOC-M7 satellites navigation systems on behalf of the European Union. -
Aerospace, Defense, and Government Services Mergers & Acquisitions
Aerospace, Defense, and Government Services Mergers & Acquisitions (January 1993 - April 2020) Huntington BAE Spirit Booz Allen L3Harris Precision Rolls- Airbus Boeing CACI Perspecta General Dynamics GE Honeywell Leidos SAIC Leonardo Technologies Lockheed Martin Ingalls Northrop Grumman Castparts Safran Textron Thales Raytheon Technologies Systems Aerosystems Hamilton Industries Royce Airborne tactical DHPC Technologies L3Harris airport Kopter Group PFW Aerospace to Aviolinx Raytheon Unisys Federal Airport security Hydroid radio business to Hutchinson airborne tactical security businesses Vector Launch Otis & Carrier businesses BAE Systems Dynetics businesses to Leidos Controls & Data Premiair Aviation radios business Fiber Materials Maintenance to Shareholders Linndustries Services to Valsef United Raytheon MTM Robotics Next Century Leidos Health to Distributed Energy GERAC test lab and Technologies Inventory Locator Service to Shielding Specialities Jet Aviation Vienna PK AirFinance to ettain group Night Vision business Solutions business to TRC Base2 Solutions engineering to Sopemea 2 Alestis Aerospace to CAMP Systems International Hamble aerostructure to Elbit Systems Stormscope product eAircraft to Belcan 2 GDI Simulation to MBDA Deep3 Software Apollo and Athene Collins Psibernetix ElectroMechanical Aciturri Aeronautica business to Aernnova IMX Medical line to TransDigm J&L Fiber Services to 0 Knight Point Aerospace TruTrak Flight Systems ElectroMechanical Systems to Safran 0 Pristmatic Solutions Next Generation 911 to Management -
액체로켓 메탄엔진 개발동향 및 시사점 Development Trends of Liquid
Journal of the Korean Society of Propulsion Engineers Vol. 25, No. 2, pp. 119-143, 2021 119 Technical Paper DOI: https://doi.org/10.6108/KSPE.2021.25.2.119 액체로켓 메탄엔진 개발동향 및 시사점 임병직 a, * ㆍ 김철웅 a⋅ 이금오 a ㆍ 이기주 a ㆍ 박재성 a ㆍ 안규복 b ㆍ 남궁혁준 c ㆍ 윤영빈 d Development Trends of Liquid Methane Rocket Engine and Implications Byoungjik Lim a, * ㆍ Cheulwoong Kim a⋅ Keum-Oh Lee a ㆍ Keejoo Lee a ㆍ Jaesung Park a ㆍ Kyubok Ahn b ㆍ Hyuck-Joon Namkoung c ㆍ Youngbin Yoon d a Future Launcher R&D Program Office, Korea Aerospace Research Institute, Korea b School of Mechanical Engineering, Chungbuk National University, Korea c Guided Munitions Team, Hyundai Rotem, Korea d Department of Aerospace Engineering, Seoul National University, Korea * Corresponding author. E-mail: [email protected] ABSTRACT Selecting liquid methane as fuel is a prevailing trend for recent rocket engine developments around the world, triggered by its affordability, reusability, storability for deep space exploration, and prospect for in-situ resource utilization. Given years of time required for acquiring a new rocket engine, a national-level R&D program to develop a methane engine is highly desirable at the earliest opportunity in order to catch up with this worldwide trend towards reusing launch vehicles for competitiveness and mission flexibility. In light of the monumental cost associated with development, fabrication, and testing of a booster stage engine, it is strategically a prudent choice to start with a low-thrust engine and build up space application cases. -
IT's a Little Chile up Here
IT’s A Little chile up here Press Kit | NET 29 July 2021 LAUNCH INFORMATION LAUNCH WINDOW ORBIT 12-day launch window opening from 29 July 2021 600km DAILY LAUNCH OPPORTUNITY The launch timing for this mission is the same for each day of the launch window. SATELLITES Time Zone Window Open Window Close NZT 18:00 20:00 UTC 06:00 08:00 1 EDT 02:00 04:00 PDT 23:00 01:00 The launch window extends for 12 days. INCLINATION 37 Degrees LAUNCH SITE Launch Complex 1, Mahia, New Zealand CUSTOMER LIVE STREAM Watch the live launch webcast: USSF rocketlabusa.com/live-stream Dedicated mission for U.S. Space Force 2 | Rocket Lab | Press Kit: It’s A Little Chile Up Here Mission OVERVIEW About ‘It’s a Little Chile Up Here’ Electron will launch a research and development satellite to low Earth orbit from Launch Complex 1 in New Zealand for the United States Space Force COMPLEX 1 LAUNCH MAHIA, NEW ZEALAND Electron will deploy an Air Force Research Laboratory- sponsored demonstration satellite called Monolith. ‘It’s a Little Chile Up Here’ The satellite will explore and demonstrate the use of a deployable sensor, where the sensor’s mass is a will be Rocket Lab’s: substantial fraction of the total mass of the spacecraft, changing the spacecraft’s dynamic properties and testing ability to maintain spacecraft attitude control. Analysis from the use of a deployable sensor aims to th st enable the use of smaller satellite buses when building 4 21 future deployable sensors such as weather satellites, launch for Electron launch thereby reducing the cost, complexity, and development timelines. -
Geoeye Corp Overview
GeoEye See our World…Better than Ever 1 GeoEye Focus on Africa Ms. Andrea Cook Senior Sales Manager Middle East, Africa & India GeoEye GeoEye: Company Overview OfferingOffering bestbest resolutionresolution –– colorcolor –– accuracyaccuracy commerciallycommercially availableavailable 3 GeoEye: IKONOS and GeoEye-1 IKONOS – Launched 24 September 1999 – World’s first commercial satellite with 1- meter resolution • 0.82 meter panchromatic, 3.2 meters multi-spectral • Over 300 million km² of world-wide archive • Extensive global network of ground stations __________________________________________________________ GeoEye-1 – Launched 6 September 2008 – Started Commercial Operations 5 February 2009 – Most advanced satellite commercially available • 0.41 meter panchromatic, 1.65 multi- spectral • Designed for <5m accuracy without ground control • Up to 700,000 km² per day collection capacity (panchromatic) • >7 year mission life 4 IKONOS: 1 meter imagery AlmostAlmost 1010 yearsyears ofof archivearchive –– stillstill collectingcollecting strongstrong 5 GeoEye-1: First Images NowNow CommerciallyCommercially AvailableAvailable –– CollectingCollecting WorldWorld WideWide 6 GeoEye Constellation Collection Capacity Faster Response Times Faster Project Completions More Opportunities Served • GeoEye Constellation Collection Capacity – GeoEye-1 • Image 350,000 km2/day in multi-spectral mode • 700,000 sq km/day panchromatic mode – IKONOS • 150,000 sq km/day • True Constellation Operations for GeoEye-1 and IKONOS – Phased orbit Key: – Access to all locations -
Synthetic Aperture Radar
Synthetic Aperture Radar Subjects: Information Technology & Data Management Submitted by: Sung Wook Paek Definition SAR constellations Table of Contents [Hide] 1. Introduction Space-based radar observation has growing potentials for monitoring the global biospheric diversity subject to anthropogenic drivers at geological scales [1]. The performance of radar is less affected by weather and sunlight conditions than that of optical sensors. Satellites with onboard sensors can provide comprehensive coverage of remote areas or vast regions that may be too costly for unmanned aerial vehicles (UAVs) or ground-based platforms, provided that all platforms provide congruent results via calibrations [2][3][4]. Therefore, it was Seasat, the first satellite dedicated to remote sensing of the Earth’s oceans, that carried the first synthetic aperture radar (SAR) and other radar instruments operable in space. Despite these advantages, miniaturization of radar-carrying satellites was rather slow compared to satellites carrying optical devices due to the lack of commercial-off-the-shelf (COTS) components as well as challenging design requirements for the satellite platform [5][6]. Representative use cases of space-based radar include altimetry, sounding, scatterometry, and so forth in the studies of land, cryosphere, and oceans. Biospheric monitoring is another useful application because radar has high sensitivity in detecting surface changes in a target area and discriminating mobile targets against a background [7]. This paper will consider mainly SAR because of its three-dimensional mapping capability through interferometry. The heritage of Seasat has influenced many of later SAR missions for decades, as listed in Table 1 [8][9][10][11][12][13]; for instance, Shuttle Image Radar (SIR) missions used spare parts of the previous Seasat mission onboard Space Shuttles to test SAR image applications in land use, geology, hydrology, and forestry [14][15]. -
2019 Nano/Microsatellite Market Forecast, 9Th Edition
2019 NANO/MICROSATELLITE MARKET FORECAST, 9TH EDITION Copyright 2018, SpaceWorks Enterprises, Inc. (SEI) APPROVED FOR PUBLIC RELEASE. SPACEWORKS ENTERPRISES, INC., COPYRIGHT 2018. 1 Since 2008, SpaceWorks has actively monitored companies and economic activity across both the satellite and launch sectors 0 - 50 kg 50 - 250kg 250 - 1000kg 1000 - 2000kg 2000kg+ Custom market assessments are available for all mass classes NANO/MICROSATELLITE DEFINITION Picosatellite Nanosatellite Microsatellite Small/Medium Satellite (0.1 – 0.99 kg) (1 – 10 kg) (10 – 100 kg) (100 – 1000 kg) 0 kg 1 kg 10 kg 100 kg 1000 kg This report bounds the upper range of interest in microsatellites at 50 kg given the relatively large amount of satellite development activity in the 1 – 50 kg range FORECASTING METHODOLOGY SpaceWorks’ proprietary Launch Demand Database (LDDB) Downstream serves as the data source for all satellite market Demand assessments ▪ Planned The LDDB is a catalogue of over 10,000+ historical and Constellations future satellites containing both public and non-public (LDDB) satellite programs Launch Supply SpaceWorks newly updated Probabilistic Forecast Model (PFM) is used to generate future market potential SpaceWorks PFM Model ▪ The PFM considers down-stream demand, announced/planed satellite constellations, and supply-side dynamics, among other relevant factors Expert Analysis The team of expert industry analysts at SpaceWorks SpaceWorks further interprets and refines the PFM results to create Forecast accurate market forecasts Methodology at a Glance 2018 SpaceWorks forecasted 2018 nano/microsatellite launches with unprecedented accuracy – actual satellites launched amounted to just 5% below our analysts’ predictions. In line with SpaceWorks’ expectations, the industry corrected after a record launch year in 2017, sending 20% less nano/microsatellites to orbit than in 2018.