Keyword: Satellites

Briefs: Imaging
Method and Associated Apparatus for Capturing, Servicing, and De-Orbiting Earth Satellites Using Robotics

Engineers at Goddard Space Flight Center have overcome limitations plaguing the satellite sector since its inception through the development of a robotic system allowing for the autonomous capture and servicing of in-orbit satellites. By...

Briefs: Propulsion
Non-Catalytic Ignition System for High-Performance Advanced Monopropellant Thrusters

Anon-catalytic pyrotechnic ignition system was developed for advanced green monopropellant systems operating with hydroxylammonium nitrate (HAN)-based monopropellant AF-M315E. This technology will provide increased performance and new operating regimes for...

Articles: Imaging

How much gold remains to be mined on Earth? How about the lesser-known element, indium, necessary for computer and smartphone displays? With known sources of some essential metals facing...

Briefs: Motion Control

Origami has once again inspired engineers at NASA’s Jet Propulsion Laboratory (JPL). Besides aesthetic beauty, the Japanese tradition of paper-folding addresses a persistent problem...

Articles: Aerospace
Airfoil Performance Monitor (APM) John Maris, Puthy Soupin, Ludovic Laberge, and Marie-Hélène Larose
Marinvent Corporation
Saint-bruno, Quebec, Canada...
Briefs: Software
Development of Automated Structural Health Monitoring for Composite Overwrapped Pressure Vessels

Virtually all NASA spacecraft use composite overwrapped pressure vessels (COPVs) to reduce the weight disadvantage of metal pressure vessels. However, these composite structures are more susceptible to damage than metal PVs, are difficult to inspect,...

Briefs: Test & Measurement
Thermal Micro-Extraction Laboratory

Typical extractions in the laboratory require a significant amount of sample material, large-scale equipment, and hands-on participation of a scientist. Such a setup is impractical (or impossible), heavy, and expensive to be carried out on spaceflight instrumentation. While great strides are being made to...

Briefs: Propulsion

Putting a satellite into low Earth orbit requires a lot of energy, with ground-launched rockets expending two-thirds of their propellant fighting to get...

Briefs: Robotics, Automation & Control

The rapid rise of global interest in the field of autonomous driving is ushering in a new era of automobiles. With many vehicles already offering autonomous preventative safety...

Briefs: Motion Control
Advanced Tool Drive System (ATDS) Camera Positioning Mechanism (CPM)

Robotic servicing of a satellite in low earth orbit (LEO) or geosynchronous Earth orbit (GEO) requires advanced systems capable of meeting the harsh environments of space. To support this effort, the Goddard Space Flight Center Satellite Servicing Capabilities Office (SSCO) has...

Who's Who: Sensors/Data Acquisition

Using data from NASA’s Earth Observing System Aura satellite, launched in 2004, a team led by Michigan Technological University created a global map of...

Briefs: Aerospace

NASA's Langley Research Center has designed a Multifunctional Boost Protective Cover (MBPC) for a Launch Abort System (LAS). In the event of a crewed launch,...

Briefs: Communications
GPS Satellite Geometry Analysis Tool (GPSGEM)

The purpose of the GPS Satellite Geometry Analysis Tool (GPSGEM) is to evaluate GPS satellite geometry for a given Earth-fixed location or for a provided trajectory. The tool will generate a listing of all satellites in view, the best satellite combination defined by the most optimum Geometric...

Briefs: Propulsion
Propellant Distributor for a Thruster

Innovators at NASA's Glenn Research Center have developed several new technological innovations to improve the capability of Hall-effect thrusters, which are used primarily on Earth-orbiting satellites and can also be used for deep-space robotic vehicles. Hall thrusters are susceptible to discharge channel...

Briefs: Sensors/Data Acquisition

The invention developed is a piezoelectric stimulus-response quantification-based gravimeter (PEG). The PEG takes a completely innovative approach towards utilization of the...

Briefs: Communications

NASA's Glenn Research Center invites companies to license a new concept design for terrestrial satellite dishes and communications systems. The Cellular Reflectarray Antenna (CRA) has...

Briefs: Propulsion
Multi-Thruster Propulsion Apparatus

Two different types of electrostatic thrusters are used to propel spacecraft: ion thrusters and Hall-effect thrusters. Ion thrusters have the benefit of relatively high exhaust velocities with higher overall thrust efficiencies. Hall-effect thrusters typically offer higher thrust-to-power ratios, but they...

Who's Who: Aerospace

On February 19, The Stratospheric Aerosol and Gas Experiment (SAGE) III instrument launched aboard a cargo capsule to the International Space Station....

Application Briefs: Photonics/Optics
Polymicro Technologies™ optical fiber
Molex
Lisle, IL
1-800-78MOLEX
www.molex.com
NASA Spinoff: Automotive

Spinoff is NASA's annual publication featuring successfully commercialized NASA technology. This commercialization has contributed to the development of products and services in the fields...

Articles: Sensors/Data Acquisition

On October 21, 2016, the Internet saw a significant distributed denial of service (DDoS) attack, conducted via a botnet comprising many co-opted Internet-connected devices....

Briefs: Sensors/Data Acquisition

The invention developed is a piezoelectric stimulus-response quantification-based gravimeter (PEG). The PEG takes a completely innovative approach towards utilization of the...

Briefs: Aerospace

NASA has developed a game-changing deployable aeroshell concept for entry, descent, and landing (EDL) of large science and exploration-class payloads. The...

Briefs: Mechanical & Fluid Systems

Great strides are taken to miniaturize spaceflight instrumentation, particularly analytical systems such as liquid chromatographs, gas chromatographs, and mass...

Briefs: Software
Space Communications and Navigation (SCaN) Game Phase III

The Space Communications and Navigation (SCaN) program is responsible for providing communications and navigation services to spaceflight missions located throughout the solar system. Astronauts, mission controllers, and scientists depend upon the reliable transmission of information...

Briefs: Green Design & Manufacturing
Data Informatics Infrastructure for the Megacities Carbon Project

With the goal of assessing the anthropogenic carbon-emission impact of urban centers on local and global climates, the Megacities Carbon Project has been building carbon-monitoring capabilities for the past two years around the Los Angeles metropolitan area as a pilot effort....

Briefs: Test & Measurement
Method for Ground-to-Satellite Laser Calibration System

NASA’s Langley Research Center has developed the Ground-to-Space Laser Calibration (GSLC) system concept for calibrating Earth observing sensors measuring reflected radiance. GSLC is capable of calibrating sensitivity to polarization, degradation of optics, and response to stray light of...

Briefs: Electronics & Computers

Researchers at NASA’s Marshall Space Flight Center have developed software-defined radio (SDR) telemetry transceiver technology to collect and transmit data to and from small...