Abstract: Two ground simulation software are used to model the SMAP spacecraft dynamics. The CAST software…
Author: New NASA STI
On the Performance of Adaptive Data Rate over Deep Space Ka-Bank Link: Case Study Using Kepler Data
Abstract: Future missions envisioned for both human and robotic exploration demand increasing communication capacity through the…
A High-Heritage Blunt-Body Entry, Descent, and Landing Concept for Human Mars Exploration
Abstract: Human-scale landers require the delivery of much heavier payloads to the surface of Mars than…
Extended Bright Bodies – Flight and Ground Software Challenges on the Cassini Mission at Saturn
Abstract: Extended bright bodies in the Saturn environment such as Saturn's rings, the planet itself, and…
Mapping the Distribution and Biomass of Emergent Aquatic Plants in the Sacramento-San Joaquin River Delta of California Using Landsat Imagery Analysis
Abstract: This study evaluated the cost-effective and timely use of Landsat imagery to map and monitor…
Trending Main Engine Assembly (MEA) Cover Actuator Performance Using Cassini Attitude Control Flight Data
Abstract: This paper proposes two different methods of estimating the disturbance torque imparted on the Cassini…
The Cassini Reaction Wheels: Drag and Spin-Rate Trends from an Aging Interplanetary Spacecraft at Saturn
Abstract: The purpose of this paper is to provide a summary of the long-term trends of…
Deployment Testing of Flexible Composite Hinges in Bi-Material Beams
Abstract: Composites have excellent properties for strength, thermal stability, and weight. However, they are traditionally highly…
A GNC Perspective of the Launch and Commissioning of NASA’s SMAP (Soil Moisture Active Passive) Spacecraft
Abstract: The NASA Soil Moisture Active Passive (SMAP) spacecraft was designed to use radar and radiometer…
Thruster-Specific Force Estimation and Trending of Cassini Hydrazine Thrusters at Saturn
Abstract: The Cassini spacecraft has been in orbit around Saturn since 2004 and has since been…