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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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Gemini and Apollo Earth Orbital flights as precursors to Apollo extension and ORL Earth Orbital missions
Meteor orbit distribution compared with comet and asteroid orbit distribution
Design parameters for orbiting topside sounder for Mars and Venus, and comparisons with earth orbiting occultation experiment
Orbit determination for Lunar Orbiter, describing computer program and studying Doppler residuals
Comparison of class of orbits in Earth-Moon field and class of Kepler orbits in rotating coordinates by use of concurrent series of graphs
Orbit parameters identification method based on given tracking data span applied to lunar orbiter tracking using Fourier analysis
Onboard optical measurements of angles for orbit prediction established after lunar-ascent and transfer orbits
Numerical integration orbits and Brouwer and modified Brouwer orbits
Orbital imagery for planetary exploration - orbital selections for Mars, Venus, Mercury, and Jupiter
Methods for determining orbital transfer requirements for near-earth orbits
Statistical orbit and position determination for Mars orbiters and landers based on Viking 1973 mission requirements, discussing tracking problems
Statistical orbit and position determination for Mars orbiters and landers based on Viking 1973 mission requirements, discussing tracking problems
Orbital lifetime calculations for Venus and Mars Orbiter mission plannings
Use of orbit-to-orbit shuttles for hyperbolic rendezvous with returning interplanetary spacecraft
Space Shuttle abort stage separation wind tunnel tests of orbiter and booster vehicles - orbiter proximity data, Mach number 5
Space shuttle abort stage separation wind tunnel tests of orbiter and booster vehicles - orbiter proximity data, Mach number 3
Space shuttle abort stage separation wind tunnel tests of orbiter and booster vehicles - orbiter proximity data, Mach number 2
Earth based orbit determination for Mars orbiting spacecraft, comparing batch and sequential tracking filter data processing methods