THE ENGINEERING DESIGN OF INTERPLANETARY BALLISTIC TRAJECTORIES
Heliocentric transfer orbit and launch hyperbolic excess velocity analyses are included in a study of interplanetary ballistic trajectories
ORBITAL MECHANICS↗
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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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FREE RETURN CIRCUMLUNAR TRAJECTORIES FROM LAUNCH WINDOWS WITH FIXED LAUNCH AZIMUTHS
Factors affecting free return circumlunar trajectories from launch windows with fixed launch azimuths, emphasizing effects of parking orbit launch time
TRAJECTORY↗
Solar energy systems for space application
Orbit apogee, perigee, and inclination influence on design of solar energy systems
SOLAR ENERGY↗
Free return circumlunar trajectories from launch windows with fixed launch azimuths.
Factors affecting free return circumlunar trajectories from launch windows with fixed launch azimuths, emphasizing effects of parking orbit launch time
ORBITAL MECHANICS↗
Application of intrinsic differentiation to orbital problems involving curvilinear coordinate systems
Intrinsic differentiation applied to vector analysis of orbital problems
VECTOR ANALYSIS↗
Study of lunar landing sensor performance interim report no. 2
Lunar landing sensor performance - multimission module for orbital descent or direct approach trajectory
ORBITAL MECHANICS↗
Motion of the nodal line of the second Russian earth satellite /1957 beta/ and flattening of the earth
Orbital node of earth satellite used to determine earth oblateness
ORBITAL MECHANICS↗
Space technology's mandate - Orbital testing.
Coordinated orbital technology experiment program discussing guidance and control, ground test, low-g accelerometer test, error sources, elimination, etc
SPACE SYSTEMS ENGINEERING↗
On the transition between long and short period comets.
Orbital inclinations relation to comets direction of approach, noting transition between long and short period comets
COMET↗
The development of a mathematical model and a study of one method of orbit adjust and station keeping gravity-oriented satellites
Mathematical model and method of orbit adjust and station keeping gravity-oriented satellites
ORBITAL MECHANICS↗
Aero-Astrodynamics Research Review no. 5
Research in fields of aerodynamics, orbit flight mechanics, atmospheric physics, electromagnetic theory, aerothermodynamics, control systems, instrumentation, selenography, and structures
INSTRUMENTATION↗
Dynamics of orbiting dust particles
Dynamics of interplanetary dust particles orbiting around earth
INTERPLANETARY DUST↗
ATS power subsystem radiation effects study, phase 1 Final report
Failure analysis and degradation mechanism for orbiting solar cell arrays of applications technology satellites
Brown, W. D.↗
Propulsion requirements for drag-free satellites
Drag-free satellite design and propulsion requirements, noting orbit perturbation mechanisms
Debra, D. B.↗
Propulsion requirements for drag-free satellites
Drag-free satellite design and propulsion requirements, noting orbit perturbation mechanisms
Debra, D. B.↗
Six-degree-of-freedom program to optimize simulated trajectories (6D POST). Volume 1: Formulation manual
The basic equations and models used in a computer program (6D POST) to optimize simulated trajectories with six degrees of freedom were documented. The 6D POST program was conceived as a direct extension of the program POST, which dealt with point masses, and considers the general motion of a rigid body with six degrees of freedom. It may be used to solve a wide variety of atmospheric flight mechanics and orbital transfer problems for powered or unpowered vehicles operating near a rotating oblate planet. Its principal features are: an easy to use NAMELIST type input procedure, an integrated set of Flight Control System (FCS) modules, and a general-purpose discrete parameter targeting and optimization capability. It was written in FORTRAN 4 for the CDC 6000 series computers.
Brauer, G. L.↗
Optimizing simulated trajectories
General-purpose rigid-body six-degrees-of-freedom program is used to solve wide variety of atmospheric flight mechanics and orbital transfer problems. Written for analysis of powered or unpowered vehicles operation near rotating oblate planet, typical applications include: guidance and flight-control system simulation and analysis, loads and dispersion-type analysis.
Brauer, G. L.↗
Orbit-orbit resonances among natural satellites
A qualitative physical description of the orbital resonance mechanism based on a previously published (Greenberg et al. 1972; Greenberg, 1973) mathematical analysis is presented. The fundamental principles of the resonance mechanism are illustrated by an examination of the Titan-Hyperion case. More complex resonances, including Enceladus-Dione, Mimas-Tethys are considered. Resonance phenomena involving the rings of Saturn, the inner three satellites of Uranus, and the inner three Galilean satellites of Jupiter are also discussed. The role of analyses of resonance phenomena in developing theories of satellite formation and evolution is examined.
Greenberg, R.↗