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Available copies

  • 1 of 1 copy available at Evergreen Indiana.

Current holds

0 current holds with 1 total copy.

Series Information

NASA contractor report ; NASA CR-175350.
Location Call Number / Copy Notes Barcode Shelving Location Status Due Date
Indiana State Library - Indianapolis NAS 1.26:175350 (Text) 965265-1001 General Federal documents Available -

Record details

  • Physical Description: 10 unnumbered pages : illustrations ; 28 cm.
  • Publisher: Ithaca, N.Y. : Center for Radiophysics and Space Research, Cornell University ; [1984]

Content descriptions

General Note:
"Prepared July 1984."
Type of Report and Period Covered Note:
Semi-annual status report; July 1, 1983 - December 31, 1983
Summary, etc.:
"For 80 Sappho, 356 Liguria, 694 Ekard, and 2340 Hathor, data were taken simultaneously in the same sense of circular polarization as transmitted (SC) as well as in the opposite (OC) sense. Graphs show the average OC and SC radar echo power spectra soothed to a resolution of EFB Hz and plotted against Doppler frequency. Radar observations of the peculiar object 2201 Oljato reveal an unusual set of echo power spectra. The albedo and polarization ratio remain fairly constant but the bandwidths range from approximately 0.8 Hz to 1.4 Hz and the spectral shapes vary dramatically. Echo characteristics within any one date's approximately 2.5-hr observation period do not fluctuate very much. Laboratory measurements of the radar frequency electrical properties of particulate metal-plus-silicate mixtures can be combined with radar albedo estimates to constrain the bulk density and metal weight, fraction in a hypothetical asteroid regolith having the same particle size distribution as lab samples"--NTIS abstract.
Reproduction Note:
Microfiche. [Washington, D.C. : National Aeronautics and Space Administration], 1984. 1 microfiche.
Funding Information Note:
NASA grant NAGW-116
Subject: Asteroids > Observations.
Radar in astronomy.
Radar cross sections.

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