Modeling of the Geosynchronous Orbit Plasma Environment. Part 2. ATS-5 and ATS-6 Statistical Atlas

Garrett, Henry; Mullen, E.G.; Ziemba, E.; Deforest, S. E.

doi:10.21236/ada067018

Cited by 8 publications

(2 citation statements)

References 3 publications

(3 reference statements)

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“…Table 1 summarizes the approximate potentials and time scales associated with ATS 5 and ATS 6 natural charging events. The frequency of occurrence of the ATS 5 and ATS 6 charging events in eclipse are presented in Figure 4 [Garrett et al, 1978]. The daylight charging events on ATS 6 have been found by Reasoner et al [1976] (see also Johnson et al [1978]) to be anticorrelated with encounters with the plasmapause.…”

Section: Satellite Measurementsmentioning

confidence: 77%

The charging of spacecraft surfaces

Garrett¹

1981

Reviews of Geophysics

377

208

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The buildup of static charge on satellite surfaces is an important issue in the utilization of satellite systems. The analysis of this phenomenon has required important advances in basic charging theory and the development of complex codes to evaluate the plasma sheaths that surround satellites. The results of these theories and calculations have wide application in space physics in the design of systems and in the interpretation of low‐energy plasma measurements. In this review, those aspects of charge buildup on satellite surfaces relevant to the space physics community are summarized. The types of charging processes, models of charge buildup, satellite sheath theories, and charging observations are described with emphasis on basic concepts.

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Section: Satellite Measurementsmentioning

confidence: 77%

The charging of spacecraft surfaces

Garrett¹

1981

Reviews of Geophysics

377

208

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“…The primary region of surface charging is, as has been recognized for many years, in and near geosynchronous orbit and along the field lines extending down into the auroral zones. This region was extensively mapped by the SCATHA satellite and the characteristics of the environment presented in a series of descriptive "atlases" [30]- [36] and worst case studies [18], [37]- [41]. Of increasing interest, however, is the portion of the charging environment below 1000 km in the polar regions.…”

Section: Surface Chargingmentioning

confidence: 99%

Spacecraft charging - An update

Garrett

Whittlesey

1996

34th Aerospace Sciences Meeting and Exhibit

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Twenty years after the landmark SCATHA program, spacecraft charging and its associated effects continue to be major issues for earth-orbiting spacecraft. Since the time of SCATHA, spacecraft charging investigations were focused primarily on surface effects and spacecraft external surface design issues. Today, however, a significant proportion of spacecraft anomalies are believed to be caused by internal charging effects (charging and ESD events internal to the spacecraft Faraday cage envelope). This review will, following a brief summary of the state of the art in surface charging, concentrate on the problems introduced by penetrating electrons ("internal charging") and related processes (buried charge and deep dielectric charging). With the advent of tethered spacecraft and the deployment of the International Space Station, low altitude charging has taken on a new significance as well. These and issues tied to the dense, low altitude plasma environment and the auroral zone will also be briefly reviewed.

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Comparison between the 30‐ to 80‐keV electron channels on ATS 6 and 1976‐059A during conjunction and application to spacecraft charging prediction

Garrett¹,

Schwank²,

Higbie³

et al. 1980

J. Geophys. Res.

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The ATS 6 satellite, during an orbital maneuver in September 1976, passed within a few hundred kilometers of the geosynchronous satellite 1976-059A. Analysis of the 30-to 80-keV electron data from the University of California at San Diego (UCSD) electrostatic analyzers on ATS 6 and the 30-to 300-ke_V electron data from the Los Alamos Scientific Laboratory instrument on 1976-059A during this period reveals good agreement between the two instruments even when the separation is ñ7 ø . The low-energy UCSD ion data from ATS 6 allow a simultaneous determination of the potential difference between ATS 6 and the ambient medium. Use of the 1976-059A electron data to approximate the ambient plasma electron density and temperature during these charging periods indicates sufficient information exists in order to estimate the maximum potentials to which ATS 6 charges in sualight and eclipse. As data from 1976-059A and similar satellites are potentially available in real time, the information therefore exists to create a satellite charging index for the geosynchronous regime that would be valid within at least ñ7 ø longitude of the position of each measurement.

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Modeling of the Geosynchronous Orbit Plasma Environment. Part 2. ATS-5 and ATS-6 Statistical Atlas

Cited by 8 publications

References 3 publications

The charging of spacecraft surfaces

The charging of spacecraft surfaces

Spacecraft charging - An update

Comparison between the 30‐ to 80‐keV electron channels on ATS 6 and 1976‐059A during conjunction and application to spacecraft charging prediction

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