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MPCORB.DAT is the catalog of osculating orbits from MPC

proper_catalog24.dat is the catalog of proper elements

(gzipped versions of both catalogs are available for faster download)

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The format of proper_catalog24.dat is:

 8848    format(f9.6,g9.2,f9.6,g9.2,f9.6,g9.2,2(1x,f11.6),
     &        1x,f6.3,1x,i3,1x,a7)   

plus the unpacked designations

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The columns in proper_catalog24.dat are:

1) proper semimajor axis a_p (au)
2) RMS error of a_p (au)
3) proper eccentricity e_p
4) RMS error of e_p 
5) sine of proper inclination sin(i_p)
6) RMS error of sin(i_p)
7) proper frequency g (arcsec/yr)
8) proper frequency s (arcsec/yr)
9) absolute magnitude H (mag)
10) number of oppositions
11) packed name from MPC 
12) unpacked name

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