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Analysis Of Trajectory Parameters For Probe And Round Trip Missions To Venus
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Book Synopsis Analysis of Trajectory Parameters for Probe and Round-trip Missions to Venus by : James F. Dugan
Download or read book Analysis of Trajectory Parameters for Probe and Round-trip Missions to Venus written by James F. Dugan and published by . This book was released on 1960 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: For one-way transfers between Earth and Venus, charts are obtained that show velocity, time, and angle parameters as functions of the eccentricity and semilatus rectum of the Sun-focused vehicle conic. From these curves, others are obtained that are useful in planning one-way and round-trip missions to Venus. The analysis is characterized by circular coplanar planetary orbits, successive two-body approximations, impulsive velocity changes, and circular parking orbits at 1.1 planet radii. For round trips the mission time considered ranges from 65 to 788 days, while wait time spent in the parking orbit at Venus ranges from 0 to 467 days. Individual velocity increments, one-way travel times, and departure dates are presented for round trips requiring the minimum total velocity increment. For both single-pass and orbiting Venusian probes, the time span available for launch becomes appreciable with only a small increase in velocity-increment capability above the minimum requirement. Velocity-increment increases are much more effective in reducing travel time for single-pass probes than they are for orbiting probes. Round trips composed of a direct route along an ellipse tangent to Earth's orbit and an aphelion route result in the minimum total velocity increment for wait times less than 100 days and mission times ranging from 145 to 612 days. Minimum-total-velocity-increment trips may be taken along perihelion-perihelion routes for wait times ranging from 300 to 467 days. These wait times occur during missions lasting from 640 to 759 days.
Book Synopsis Analysis of Trajectory Parameters for Probe and Round-trip Missions to Venus by : James F. Dugan
Download or read book Analysis of Trajectory Parameters for Probe and Round-trip Missions to Venus written by James F. Dugan and published by . This book was released on 1960 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt: For one-way transfers between Earth and Venus, charts are obtained that show velocity, time, and angle parameters as functions of the eccentricity and semilatus rectum of the Sun-focused vehicle conic. From these curves, others are obtained that are useful in planning one-way and round-trip missions to Venus. The analysis is characterized by circular coplanar planetary orbits, successive two-body approximations, impulsive velocity changes, and circular parking orbits at 1.1 planet radii. For round trips the mission time considered ranges from 65 to 788 days, while wait time spent in the parking orbit at Venus ranges from 0 to 467 days. Individual velocity increments, one-way travel times, and departure dates are presented for round trips requiring the minimum total velocity increment. For both single-pass and orbiting Venusian probes, the time span available for launch becomes appreciable with only a small increase in velocity-increment capability above the minimum requirement. Velocity-increment increases are much more effective in reducing travel time for single-pass probes than they are for orbiting probes. Round trips composed of a direct route along an ellipse tangent to Earth's orbit and an aphelion route result in the minimum total velocity increment for wait times less than 100 days and mission times ranging from 145 to 612 days. Minimum-total-velocity-increment trips may be taken along perihelion-perihelion routes for wait times ranging from 300 to 467 days. These wait times occur during missions lasting from 640 to 759 days.
Book Synopsis Analysis of Trajectory Parameters for Probe and Round-trip Missions to Mars by : James F. Dugan
Download or read book Analysis of Trajectory Parameters for Probe and Round-trip Missions to Mars written by James F. Dugan and published by . This book was released on 1960 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Three-dimensional Trajectory Analysis for Round-trip Missions to Venus by : Charles L. Zola
Download or read book Three-dimensional Trajectory Analysis for Round-trip Missions to Venus written by Charles L. Zola and published by . This book was released on 1962 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Three-dimensional Trajectory Analysis for Round-trip Missions to Venus by : Charles L. Zola
Download or read book Three-dimensional Trajectory Analysis for Round-trip Missions to Venus written by Charles L. Zola and published by . This book was released on 1962 with total page 105 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Three-dimensional Trajectory Analysis for Round-trip Missions to Mars by : Gerald Knip
Download or read book Three-dimensional Trajectory Analysis for Round-trip Missions to Mars written by Gerald Knip and published by . This book was released on 1962 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Note written by and published by . This book was released on 1963 with total page 1162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Index of N A S A Technical Publications by : United States. National Aeronautics and Space Administration
Download or read book Index of N A S A Technical Publications written by United States. National Aeronautics and Space Administration and published by . This book was released on 1960 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Selected Listing of NASA Scientific and Technical Reports for ... by :
Download or read book A Selected Listing of NASA Scientific and Technical Reports for ... written by and published by . This book was released on 1960 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Index to NASA Technical Publications by : United States. National Aeronautics and Space Administration
Download or read book Index to NASA Technical Publications written by United States. National Aeronautics and Space Administration and published by . This book was released on 1960-07 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA SP. written by and published by . This book was released on 1965 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Analysis of Atmospheric Entry Trajectories for Manned and Unmanned Missions to the Planet Venus by : Mark K. Craig
Download or read book An Analysis of Atmospheric Entry Trajectories for Manned and Unmanned Missions to the Planet Venus written by Mark K. Craig and published by . This book was released on 1973 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: A unified atmospheric density model is presented for the planet Venus, and this model is compatible with Russian and American data obtained during the 1967 Venus launch opportunity. Trajectory characteristics involved in atmospheric entry are discussed with reference to roll-control modulation and entry corridor. Subsequent to a trajectory-oriented discussion of potential Venus mission characteristics, a parametric analysis of manned and unmanned vehicle entry trajectories into the Venusian atmosphere is presented. A sensitivity analysis with reference to atmospheric density deviations is included to show the dependence of corridor depth on the atmospheric density profile.
Book Synopsis Payload Capabilities of Saturn IB-Centaur for Launch Opportunities to Mars in 1971, 1973, and 1975 and to Venus in 1972 and 1973 by : Gary D. Sagerman
Download or read book Payload Capabilities of Saturn IB-Centaur for Launch Opportunities to Mars in 1971, 1973, and 1975 and to Venus in 1972 and 1973 written by Gary D. Sagerman and published by . This book was released on 1966 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Astronautical Sciences by :
Download or read book Advances in Astronautical Sciences written by and published by . This book was released on 1963 with total page 824 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. 1-2, 4 contain the Proceedings of the Society's 3rd (1956)-5th (1958) annual meeting; v. 3 contains the Proceedings of the Western Regional Meeting of the AAS, Aug. 1958.
Book Synopsis Space Communications: Satellite and deep space applications by : Louise C. Bickford
Download or read book Space Communications: Satellite and deep space applications written by Louise C. Bickford and published by . This book was released on 1965 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Space Communications by : Louise C. Bickford
Download or read book Space Communications written by Louise C. Bickford and published by . This book was released on 1965 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Space Communications Theory and Applications. Volume 4- Satellite and Deep Space Applica- Tions a Bibliography by :
Download or read book Space Communications Theory and Applications. Volume 4- Satellite and Deep Space Applica- Tions a Bibliography written by and published by . This book was released on 1965 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt:
