Examination of returned solar-max surfaces for impacting orbital debris and meteoroids

Details Examination of returned solar-max surfaces for impacting orbital debris and meteoroids Examination of returned solar-max surfaces for impacting orbital debris and meteoroids

Nov 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985jgrs...90...42k&link_type=abstract

In Lunar and Planetary Inst. 16th Lunar and Planetary Sci. Conf. p 42-43 (SEE N85-26548 15-91)

Physics

Earth Orbits, Ejecta, Meteoroids, Orbit Decay, Planetary Craters, Solar Maximum Mission, Hypervelocity Impact, Meteorite Collisions, Thermal Insulation

Scientific paper

Previous theoretical studies predicted that in certain regions of earth orbit, the man-made earth orbiting debris environment will soon exceed the interplanetary meteoroid environment for sizes smaller than 1 cm. The surfaces returned from the repaired Solar Max Mission (SMM) by STS 41-C on April 12, 1984, offered an excellent opportunity to examine both the debris and meteoroid environments. To date, approximately 0.7 sq. met. of the thermal insulation and 0.05 sq. met of the aluminum louvers have been mapped by optical microscope for crater diameters larger than 40 microns. Craters larger in diameter than about 100 microns found on the initial 75 micron thick Kapton first sheet on the MEB (Main Electronics Box) blanket are actually holes and constitute perforations through that blanket. The following populations have been found to date in impact sites on these blankets: (1) meteoritic material; (2) thermal paint particles; (3) aluminum droplets; and (4) waste particles.

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