PDS_VERSION_ID                     = PDS3                                     
RECORD_TYPE                        = STREAM                                   
                                                                              
OBJECT                             = TEXT                                     
   PUBLICATION_DATE                = 2010-11-08  /* Label Generated */        
   NOTE                            = "Description of the contents of the      
        document directory."                                                  
END_OBJECT                         = TEXT                                     
END                                                                           
                                                                              
"document" Directory Contents                                                 
                                                                              
The document directory contains documentation files, where available, for the 
data set in this volume.  All document files will have an accompanying label  
file to describe content and structure.  Label files have the same name as the
main document file, with an extension of ".lbl".                              
                                                                              
docinfo.txt -  The file you are reading.                                      
                                                                              
ads.asc -  This is an internal file of bibliographic information to be sent by
        PDS to the Abstract Data Service (ADS) to list this data set in their 
        service.  This file is not intended to be useful to data users.       
                                                                              
ads.lbl -  The label for ads.asc.                                             
                                                                              
                                                                              
allnum_pro.asc -  "M&K Proper Elements of Numbered Asteroids", This file      
        contains proper elements of numbered asteroids calculated by Milani   
        and Knezevic using a semianalytical method described in Milani and    
        Knezevic (1994).  Along with the corresponding file of proper elements
        for unnumbered asteroids, this file was the input to the Nesvorny HCM 
        program hcluster.c in producing the 55 families in this data set.  In 
        order to be used as input to hcluster.c, this file must be renamed    
        from 'allnum_pro.asc' to 'allnum.pro'.                                
                                                                              
allnum_pro.lbl - The label file for the document "M&K Proper Elements of      
        Numbered Asteroids" described above.                                  
                                                                              
hcluster_c.asc -  "HCM Families Program", Hierarchical Clustering Method (HCM)
        code of David Nesvorny, which was used to generate the 55 asteroid    
        families of this data set.  To use the code, the filename must be     
        changed from 'hcluster_c.asc' to 'hcluster.c'.                        
                                                                              
hcluster_c.lbl - The label file for the document "HCM Families Program"       
        described above.                                                      
                                                                              
nrutil_c.asc -  "Memory Allocation Functions for HCM Code", This file includes
        memory allocation functions and is used, along with nrutil.h, in      
        compiling hcluster.c.  To use it, rename to nrutil.c.                 
                                                                              
nrutil_c.lbl - The label file for the document "Memory Allocation Functions   
        for HCM Code" described above.                                        
                                                                              
nrutil_h.asc -  "Memory Allocation Functions Header", This file contains the  
        header for nrutil.c and is used with it in compiling the HCM code     
        hcluster.c.  To use, rename to nrutil.h.                              
                                                                              
nrutil_h.lbl - The label file for the document "Memory Allocation Functions   
        Header" described above.                                              
                                                                              
ufitobs_pro.asc -  "M&K Proper Elements of Unnumbered Asteroids", This file   
        contains proper elements of unnumbered asteroids calculated by Milani 
        and Knezevic using a semianalytical method described in Milani and    
        Knezevic (1994).  Along with the corresponding file of proper elements
        for numbered asteroids, this file was the input to the Nesvorny HCM   
        program hcluster.c in producing the 55 families in this data set.  In 
        order to be used as input to hcluster.c, this file must be renamed    
        from 'ufitobs_pro.asc' to 'ufitobs.pro'.                              
                                                                              
ufitobs_pro.lbl - The label file for the document "M&K Proper Elements of     
        Unnumbered Asteroids" described above.