Actions for Generalized Orbital Projections of a Sublimating Ice Particle

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Generalized Orbital Projections of a Sublimating Ice Particle

Author
Menkin, Evgeny
Published
October 02, 2006.
Physical Description
1 electronic document
Additional Creators
Bacon, Jack
Online Version

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Unclassified, Unlimited, Publicly available.
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Summary
The issue of orbital debris resulting from human activities in space is a growing concern for the space users' community. Waste generated in Low Earth Orbit (LEO) can stay in orbit for a long time, creating significant hazards for other spacecraft flying at lower intercepting orbits. Many spacecraft, especially crewed vehicles, are required to vent fluids into space. These fluids include propellant, wastewater, excess condensate, and others. It is important to analyze the behavior of particles that result from these activities, since each individual particle is capable of damaging or destroying a spacecraft in a lower, crossing orbit, and such particles are invisible to tracking radar systems on the ground. The deorbit trajectory of an ice particle is complex. It depends on factors including attitude of the vehicle during vent, initial velocities of particles, altitude at which the vent occurred, and numerous evaporation and sublimation factors. These include contamination within the vented water, evolution of bubbles within the clear water, and sun flux factors such as time of the year and current beta angle. The purpose of this study is to examine the influences of these factors on the trajectories of ice particles resulting from condensate water dumps, and to bound the safe trajectories of spacecraft that lie below the venting spacecraft.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 20060046725.
JSC-CN-11147.
IAC-06-B6.2.08.
JSC-CN-11196.
JSC-CN-11119.
International Astronautical Congress; 2-6 Oct. 2006; Valencia; Spain.
Terms of Use and Reproduction
Copyright, Distribution as joint owner in the copyright.
View MARC record | catkey: 15415671