LDEF meteoroid and debris special investigation group investigations and activities at the Johnson Space Center

Details LDEF meteoroid and debris special investigation group investigations and activities at the Johnson Space Center LDEF meteoroid and debris special investigation group investigations and activities at the Johnson Space Center

Feb 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ldef.symp..257s&link_type=abstract

In NASA. Langley Research Center, LDEF: 69 Months in Space. Third Post-Retrieval Symposium, Part 1 p 257-273 (SEE N95-23796 07-9

Computer Science

Earth Orbital Environments, Long Duration Exposure Facility, Meteoritic Damage, Meteoroids, Space Debris, Spacecraft Shielding, Spacecraft Structures, Data Bases, Low Earth Orbits, Meteoroid Hazards, Meteoroid Protection, Temperature Control

Scientific paper

Since the return of the Long Duration Exposure Facility (LDEF) in January, 1990, members of the Meteoroid and Debris Special Investigation Group (M&D SIG) at the Johnson Space Center (JSC) in Houston, Texas have been examining LDEF hardware in an effort to expand the knowledge base regarding the low-Earth orbit (LEO) particulate environment. In addition to the various investigative activities, JSC is also the location of the general Meteoroid & Debris database. This publicly accessible database contains information obtained from the various M&D SIG investigations, as well as limited data obtained by individual LDEF Principal Investigators. LDEF exposed approximately 130 m(exp 2) of surface area to the LEO particulate environment, approximately 15.4 m(exp 2) of which was occupied by structural frame components (i.e., longerons and intercoastals) of the spacecraft. The data reported here was obtained as a result of detailed scans of LDEF intercoastals, 68 of which reside at JSC. The limited amount of data presently available on the A0178 thermal control blankets was reported last year and will not be reiterated here. The data presented here are limited to measurements of crater diameters and their frequency of occurrence (i.e., flux).

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