PDS_VERSION_ID = PDS3 /* File Characteristics */ RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 80 FILE_RECORDS = 1107 /* Data Object Pointers */ ^TABLE = "mullm3pr.tab" /* Identification Keywords */ DATA_SET_ID = "EAR-A-5-DDR-PROPER-ELEMENTS-V1.0" PRODUCT_NAME = "Proper Elements - High Inclination Multi-Opp" PRODUCT_ID = "PROPEL-MULLM3PR-199703" INSTRUMENT_HOST_NAME = "N/A" INSTRUMENT_NAME = "N/A" TARGET_NAME = ASTEROID START_TIME = "N/A" STOP_TIME = "N/A" PRODUCT_CREATION_TIME = 1997-03-24 /* Peer Review Date */ RECORD_FORMAT = "(a6,1x,i3,1x,f7.5,4(1x,f5.4),2(1x,f9.4),i2, 2(1x,i3),1x,f5.2)" /* Data Object Descriptions */ OBJECT = TABLE ROWS = 1107 ROW_BYTES = 80 INTERCHANGE_FORMAT = ASCII COLUMNS = 13 DESCRIPTION = "Proper elements of high-inclination asteroids as computed by Lemaitre and Morbidelli. This table includes 1107 asteroids. Lemaitre, A., and A. Morbidelli 1994. Calculation of proper elements for high inclination asteroidal orbits. Celestial Mechanics 60(1), 4-29." OBJECT = COLUMN COLUMN_NUMBER = 1 NAME = "ASTEROID DESIGNATION CODE" DESCRIPTION = "An alphanumeric code for the asteroid provisional designation. For survey asteroids, nnnnSS where SS is the survey (PL, T1, T2, or T3) and nnnn is the survey catalog number; for non-survey asteroids, aaXX(nn) where 19aa is the discovery year, XX is the letter pair indicating the half month of discovery and order of discovery within that half month, and nn is the additional numeric indication of order of discovery within the half-month. (E.g. 1992 CD4 is coded as 92CD4.)" DATA_TYPE = CHARACTER START_BYTE = 1 BYTES = 6 FORMAT = A6 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 2 NAME = "ERROR FLAG" DESCRIPTION = "This flag indicates convergence or the explanation of the cause of non-convergence by the following code. For non-convergent cases, g and s are set to zero and the mean elements are copied into the file, i.e. emin = emax = emean, and sinimin = sinimax = sinimean. 0 convergence. -44 to -40 input data out of the interpolation grid. -22 to -21 extrapolation. -1 non-convergence of the iterative process after 20 iterations. -2 problems of numerical integration in DEDP -6 non-convergence because of a crossing librations to circulation. -61 out of the limit circle - increment too big. -62 in the center of the circle - increment too big. -53 to -51 problems in the calculation of angle action variables from elliptic elements. -73 to -71 problems in the calculation of elliptic elements from angle action variables. -25 change lib to circ in the same iteration. -99 orbit is only one point before bissection. -91 orbit is only one point after bissection. -90 non-convergent bissection. -10 librators. -11 e > 1 -12 sin(i) > 1 -13 e > 1 and sin(i) > 1 " DATA_TYPE = ASCII_INTEGER START_BYTE = 8 BYTES = 3 FORMAT = I3 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 3 NAME = "MEAN SEMIMAJOR AXIS" DESCRIPTION = "Mean semimajor axis, a, in AU." UNIT = "ASTRONOMICAL UNIT" DATA_TYPE = ASCII_REAL START_BYTE = 12 BYTES = 7 FORMAT = "F7.5" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 4 NAME = "MINIMAL PROPER ECCENTRICITY" DESCRIPTION = "Minimal proper eccentricity (x axis), emin." DATA_TYPE = ASCII_REAL START_BYTE = 20 BYTES = 5 FORMAT = "F5.4" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 5 NAME = "MAXIMAL PROPER ECCENTRICITY" DESCRIPTION = "Maximal proper eccentricity (y axis), emax." DATA_TYPE = ASCII_REAL START_BYTE = 26 BYTES = 5 FORMAT = "F5.4" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 6 NAME = "SINE MAXIMAL PROPER INCLINATION" DESCRIPTION = "Sinus of maximal proper inclination (x axis), simax." DATA_TYPE = ASCII_REAL START_BYTE = 32 BYTES = 5 FORMAT = "F5.4" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 7 NAME = "SINE MINIMAL PROPER INCLINATION" DESCRIPTION = "Sinus of minimal proper inclination (y axis), simin." DATA_TYPE = ASCII_REAL START_BYTE = 38 BYTES = 5 FORMAT = "F5.4" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 8 NAME = "PERICENTER RATE" DESCRIPTION = "Frequency of the longitude of pericenter, g, in arcseconds per year." UNIT = "ARCSECOND PER YEAR" DATA_TYPE = ASCII_REAL START_BYTE = 44 BYTES = 9 FORMAT = "F9.4" MISSING_CONSTANT = 0.0000 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 9 NAME = "NODE RATE" DESCRIPTION = "Frequency of the longitude of the node, s, in arcseconds per year." UNIT = "ARCSECOND PER YEAR" DATA_TYPE = ASCII_REAL START_BYTE = 54 BYTES = 9 FORMAT = "F9.4" MISSING_CONSTANT = 0.0000 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 10 NAME = "OMEGA FLAG" DESCRIPTION = "A flag taking the following values: 0 omega circulator. -1 omega upper librator. 1 omega lower librator. " DATA_TYPE = ASCII_INTEGER START_BYTE = 63 BYTES = 2 FORMAT = I2 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 11 NAME = "MEAN ELEMENTS QUALITY CODE" DESCRIPTION = "The mean elements quality code (QCM) is defined on a decibel scale in such a way that QCM = 0 corresponds to a short periodic term in a (semimajor axis) of amplitude 0.003 AU, and QCM = 10 corresponds to 0.03 AU. QCM larger than about 10 indicates nearly resonant cases for which the mean elements are seriously degraded. For QCM greater than or equal to 13, the osculating elements are copied into the mean elements file to avoid the ludicrous values which can result from the almost zero divide, and the computation of proper elements is skipped. Thus QCM = 13 or greater flags the resonant asteroids." DATA_TYPE = ASCII_INTEGER START_BYTE = 66 BYTES = 3 FORMAT = I3 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 12 NAME = "OSCULATING ELEMENTS QUALITY CODE" DESCRIPTION = "The osculating elements quality code (QCO) is used only for single-opposition orbits and is therefore 0 for all entries in this file." DATA_TYPE = ASCII_INTEGER START_BYTE = 70 BYTES = 3 FORMAT = I3 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 13 NAME = "ABSOLUTE V MAGNITUDE" DESCRIPTION = "Absolute V magnitude, H(V), from the osculating elements catalog of Bowell and Muinonen." UNIT = MAGNITUDE DATA_TYPE = ASCII_REAL START_BYTE = 74 BYTES = 5 FORMAT = "F5.2" END_OBJECT = COLUMN END_OBJECT = TABLE END