Space Debris Data

Name: Space Debris Data
Abbreviation: Space Debris Data

Institution: Kimura's Lab., Department of Electrical Engineering, �E, 
Faculty of Engineering, Kyoto University
Contents: The data base consists of the following two observational modes:
(1) Standard Ionospheric Observation Mode
A standardized ionospheric observation has been carried out for 72 hours 
each month since 1987. Echoes from space debris which contaminate the 
ionospheric incoherent scattering are identified individually, and recorded 
separately to constitute a statistical data base of the occurrence frequency of 
the space debris. About 4,000 cases have been cataloged so far. The amount 
of data is 75 bytes per case, and the present total amount is about 700 
kbytes. All of the data is kept on a hard disk drive of a Unix workstation.
(2) Space Debris Observation Mode
While the standard mode provides the instantaneous magnitude of the echo, 
this mode is designed to provide a rough estimate of the orbital elements 
and the time variation of the scattering cross section for each object by using 
8 antenna beams arranged around the zenith. About 150 hours of 
observations have been carried out since August, 1989, with about 180 cases 
being cataloged. The amount of data is 824 byte per case, and the present 
total amount is 15 kbytes. All of the data is kept on a hard disk drive of a 
Unix workstation, and can be provided via an electric mail.

Data Availability: Open to STEP participants Contact Person: Iwane 
Kimura
Address: Kimura's Lab., Department. of Electrical Engineering, �E, Faculty
of Engineering, Kyoto University, Sakyo-ku, Kyoto 606-01, Japan
TEL: 81-75-753-5348
FAX: 81-75-751-8201
E-mail: kimura[AT]kuee.kyoto-u.ac.jp

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