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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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At least 1,801 records · Page 100

All sources NASA NTRS DOE OSTI

NASA NTRS1970

Comet rendezvous missions

Jupiter swingby trajectory analysis for comet flyby and rendezvous missions, discussing approach velocity and payloads

Manning, L. R.↗

NASA NTRS1970

Spectrophotometry of comets 1967n, 1968b, and 1968c

Ikeya-Seki /1967n/, Thomas /1968b/ and Honda /1968c/ comet photoelectric spectrum, examining swan bands, continuum and reflected scattered light

Gebel, W. L.↗

NASA NTRS1970

The orbit of comet Bester 1946k - 1947I

Photographing and measuring orbit of comet Bester 1946k-1947I

Van Biesbroeck, G.↗

NASA NTRS1970

The orbit of comet Burnham-Slaughter 1958e - 1959I

Calculating orbital elements of comet Burnham-Slaughter 1958e-1959I

Van Biesbroeck, G.↗

NASA NTRS1970

The orbit of comet Humason 1960e - 1959X

Calculating orbital elements of comet Humason 1960e-1959X

Van Biesbroeck, G.↗

NASA NTRS1971

Comets, meteorites and the moon

Properties, photometry, and dynamic processes of comets, lunar morphology, and Tungusk meteorite blast

Dergachev, V. A.↗

NASA NTRS1970

Definitive orbit of Comet 1940d-1940IV /Whipple-Paraskevopoulos/

Calculating definitive orbit for Comet 1940d-1940IV

Van Biesbroeck, G.↗

NASA NTRS1970

The orbit of Comet Newman 1932f-1932VII

Calculating definitive orbit of Comet Newman with consideration of planetary perturbations

Van Biesbroeck, G.↗

NASA NTRS1970

The orbit of Comet 1941c-1941IV /De Kock-Paraskevopoulos/

Calculating orbit for Comet 1941c -1941IV using least squares method, and considering planetary perturbations

Van Biesbroeck, G.↗

NASA NTRS1971

Search for microwave H2O emission in Comet Bennett /1969i/

Using 85-foot telescope to detect 22,235 MHz transition of H2O during appearance of Comet Benett

Clark, T. A.↗

NASA NTRS1971

Halley's Comet flythrough and rendezvous missions via solar electric propulsion

Characteristics and capabilites of solar electric propulsion for missions to Halleys comet due to return 1985-1986

Friedlander, A. L.↗

NASA NTRS1970

Trajectory and propulsion characteristics of comet rendezvous opportunities

Trajectory and propulsion characteristics of spacecraft rendezvous mission opportunities to comets during 1975 to 1995

Friedlander, A. L.↗

NASA NTRS1971

Application of an impulsive trajectory optimization method to the comet rendezvous problem

Multiple impulsive spacecraft trajectory optimization technique application to comet rendezvous problem, using computer program

Waters, J. I.↗

NASA NTRS1971

Nongravitational forces affecting the motions of periodic comets Giacobini-Zinner and Borrelly

Periodic comets Giacobini-Ziner and Borrelly motions, determining orbits with nonNewtonian motion equations and three orthogonal nongravitational terms

Yeomans, D. K.↗

NASA NTRS1971