PDS_VERSION_ID = PDS3 RECORD_TYPE = "FIXED_LENGTH" RECORD_BYTES = 397 FILE_RECORDS = 8 ^TABLE = "occsatlist.tab" DATA_SET_ID = "EAR-A-3-RDR-OCCULTATIONS-V5.0" PRODUCT_NAME = "SATELLITE OCCULTATION LIST" PRODUCT_ID = "OCCSATLIST_TAB" INSTRUMENT_HOST_ID = "VARGBTEL" INSTRUMENT_HOST_NAME = "VARIOUS GROUND-BASED TELESCOPES" INSTRUMENT_ID = "VARGBDET" INSTRUMENT_NAME = "VARIOUS GROUND-BASED DETECTORS" TARGET_NAME = "SATELLITE" TARGET_TYPE = "SATELLITE" START_TIME = 1971-05-14 STOP_TIME = 2006-02-04 PRODUCT_CREATION_TIME = 2007-09-05 /* File uploaded to OLAF */ REFERENCE_KEY_ID = {"BOWELLETAL1989", "DUNHAMETAL2002", "ESA1997", "MILLIS&DUNHAM1989", "ZACHARIASETAL2000"} OBJECT = TABLE ROWS = 8 ROW_BYTES = 397 INTERCHANGE_FORMAT = "ASCII" COLUMNS = 57 DESCRIPTION = "This file lists the satellite occultations, along with derivations of major and minor axes where possible. The occultations are listed in chronological order from the first one in 1958 through February 2006. The occultations are each assigned a sequence number which is used in the timings files of the data set to refer back to the information in this file. The timings file lists the timings reported from all sites and for all occultations. " OBJECT = COLUMN COLUMN_NUMBER = 1 NAME = "SEQ_NUM" DESCRIPTION = "A unique sequence number for the occultation. This sequence number is used in the timings file as well, to identify which occultation a given observation pertains to." DATA_TYPE = "CHARACTER" START_BYTE = 1 BYTES = 4 FORMAT = "A4" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 2 NAME = "OBS_DATE" DESCRIPTION = "Date of observation" DATA_TYPE = "DATE" START_BYTE = 6 BYTES = 10 FORMAT = "A10" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 3 NAME = "SAT_DESIG" DESCRIPTION = "Designation of the satellite. The first letter of the designation indicates the planet, and the number following indicates the sequential number of the satellite." DATA_TYPE = "CHARACTER" START_BYTE = 17 BYTES = 3 FORMAT = "A3" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 4 NAME = "SAT_NAME" DESCRIPTION = "Name of the satellite" DATA_TYPE = "CHARACTER" START_BYTE = 21 BYTES = 8 FORMAT = "A8" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 5 NAME = "CATALOG_STAR_DESIG" DESCRIPTION = "Modern catalog designation of the occulted star. HIP nnnnn = Hipparchos Catalog, from 'The Hipparcos and Tycho Catalogs, ESA SP-1200' [ESA1997], 2Unnnnnnnn = USNO Astrographic Catalog, Zacharias, N., S.E. Urban, M.I. Zacharias, D.M. Hall, G.L. Wycoff, T.J. Rafferty, M.E. Germain, E.R. Holdenried, J.W. Pohlman, F.S. Gauss, D.G. Monet, and L. Winter 2000. The first USNO CCD Astrograph Catalog. Astron. J. 120, 2131. [ZACHARIASETAL2000], pppp-nnnnn-x = Tycho-2 Catalog, from 'The Hipparcos and Tycho Catalogs, ESA SP-1200' [ESA1997]." DATA_TYPE = "CHARACTER" START_BYTE = 30 BYTES = 12 FORMAT = "A12" MISSING_CONSTANT = "-" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 6 NAME = "STAR_RA_HOURS" DESCRIPTION = "Hours of J2000 right ascension of the star" UNIT = "HOUR" DATA_TYPE = "ASCII_INTEGER" START_BYTE = 43 BYTES = 2 FORMAT = "I2" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 7 NAME = "STAR_RA_MINUTES" DESCRIPTION = "Minutes of J2000 right ascension of the star" UNIT = "MINUTE" DATA_TYPE = "ASCII_INTEGER" START_BYTE = 46 BYTES = 2 FORMAT = "I2" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 8 NAME = "STAR_RA_SECONDS" DESCRIPTION = "Seconds of J2000 right ascension of the star" UNIT = "SECOND" DATA_TYPE = "ASCII_REAL" START_BYTE = 49 BYTES = 7 FORMAT = "F7.4" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 9 NAME = "STAR_DEC_SIGN" DESCRIPTION = "Sign of J2000 declination of the star" DATA_TYPE = "CHARACTER" START_BYTE = 57 BYTES = 1 FORMAT = "A1" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 10 NAME = "STAR_DEC_DEGREES" DESCRIPTION = "Degrees of J2000 declination of the star" UNIT = "DEGREE" DATA_TYPE = "ASCII_INTEGER" START_BYTE = 59 BYTES = 2 FORMAT = "I2" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 11 NAME = "STAR_DEC_MINUTES" DESCRIPTION = "Minutes of J2000 declination of the star" UNIT = "ARCMINUTE" DATA_TYPE = "ASCII_INTEGER" START_BYTE = 62 BYTES = 2 FORMAT = "I2" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 12 NAME = "STAR_DEC_SECONDS" DESCRIPTION = "Seconds of J2000 declination of the star" UNIT = "ARCSECOND" DATA_TYPE = "ASCII_REAL" START_BYTE = 65 BYTES = 6 FORMAT = "F6.3" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 13 NAME = "TIME_ZERO" DESCRIPTION = "TIME_ZERO is the time on OBS_DATE for which the motions of the following four fields are computed." UNIT = "HOUR" DATA_TYPE = "ASCII_REAL" START_BYTE = 72 BYTES = 6 FORMAT = "F6.3" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 14 NAME = "SAT_RA_MOTION" DESCRIPTION = "Motion of satellite in right ascension" UNIT = "SECOND/HOUR" DATA_TYPE = "ASCII_REAL" START_BYTE = 79 BYTES = 8 FORMAT = "F8.5" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 15 NAME = "SAT_RA_MOTION_2ND" DESCRIPTION = "Second order motion of satellite in right ascension" UNIT = "SECOND/HOUR/HOUR" DATA_TYPE = "ASCII_REAL" START_BYTE = 88 BYTES = 8 FORMAT = "F8.5" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 16 NAME = "SAT_DEC_MOTION" DESCRIPTION = "Motion of satellite in declination" UNIT = "ARCSECOND/HOUR" DATA_TYPE = "ASCII_REAL" START_BYTE = 97 BYTES = 9 FORMAT = "F9.4" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 17 NAME = "SAT_DEC_MOTION_2ND" DESCRIPTION = "Second order motion of satellite in declination" UNIT = "ARCSECOND/HOUR/HOUR" DATA_TYPE = "ASCII_REAL" START_BYTE = 107 BYTES = 7 FORMAT = "F7.4" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 18 NAME = "SAT_PARALLAX" DESCRIPTION = "Geocentric parallax of satellite" UNIT = "ARCSECOND" DATA_TYPE = "ASCII_REAL" START_BYTE = 115 BYTES = 7 FORMAT = "F7.4" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 19 NAME = "UPDATE_DATE" DESCRIPTION = "Last date of update to any data item in the event record" DATA_TYPE = "DATE" START_BYTE = 123 BYTES = 10 FORMAT = "A10" MISSING_CONSTANT = "9999-99-99" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 20 NAME = "EDIT_DATE" DESCRIPTION = "Last date of edit of any observation record in the event record" DATA_TYPE = "DATE" START_BYTE = 134 BYTES = 10 FORMAT = "A10" MISSING_CONSTANT = "9999-99-99" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 21 NAME = "STAR_V_MAG" DESCRIPTION = "Apparent V magnitude of the star" UNIT = "MAGNITUDE" DATA_TYPE = "ASCII_REAL" START_BYTE = 145 BYTES = 5 FORMAT = "F5.2" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 22 NAME = "SAT_V_MAG" DESCRIPTION = "Predicted apparent V magnitude of the satellite" UNIT = "MAGNITUDE" DATA_TYPE = "ASCII_REAL" START_BYTE = 151 BYTES = 5 FORMAT = "F5.2" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 23 NAME = "SAT_DIAM" DESCRIPTION = "Satellite diameter, estimated from satellite's H(0) value using the expression SAT_DIAM = 10^(3.1295 - 0.5*log(a) - 0.2*H(0)) and an assumed albedo of a=0.1652. Equation from Bowell et al. (1989) Asteroids II p. 551." UNIT = "KILOMETER" DATA_TYPE = "ASCII_INTEGER" START_BYTE = 157 BYTES = 4 FORMAT = "I4" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 24 NAME = "ELLIPSE_CENTER_X" DESCRIPTION = "X coordinate of center of best-fit ellipse, referenced to the coordinate reference frame used to plot the observations during analysis. This reference frame is defined by the maxima/minima plot points in the x and y directions, and only has meaning in that context." UNIT = "KILOMETER" DATA_TYPE = "ASCII_REAL" START_BYTE = 162 BYTES = 6 FORMAT = "F6.1" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 25 NAME = "ELLIPSE_CENTER_Y" DESCRIPTION = "Y coordinate of center of best-fit ellipse, referenced to the coordinate reference frame used to plot the observations during analysis. This reference frame is defined by the maxima/minima plot points in the x and y directions, and only has meaning in that context." UNIT = "KILOMETER" DATA_TYPE = "ASCII_REAL" START_BYTE = 169 BYTES = 6 FORMAT = "F6.1" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 26 NAME = "MAJOR_AXIS" DESCRIPTION = "Major axis of best-fit ellipse" UNIT = "KILOMETER" DATA_TYPE = "ASCII_REAL" START_BYTE = 176 BYTES = 6 FORMAT = "F6.1" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 27 NAME = "MINOR_AXIS" DESCRIPTION = "Minor axis of best-fit ellipse" UNIT = "KILOMETER" DATA_TYPE = "ASCII_REAL" START_BYTE = 183 BYTES = 6 FORMAT = "F6.1" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 28 NAME = "MAJOR_AXIS_PA" DESCRIPTION = "J2000 position angle of major axis of best-fit ellipse, measured from celestial north" UNIT = "DEGREE" DATA_TYPE = "ASCII_REAL" START_BYTE = 190 BYTES = 5 FORMAT = "F5.1" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 29 NAME = "STAR_SEP" DESCRIPTION = "Separation of second star" UNIT = "MILLIARCSECOND" DATA_TYPE = "ASCII_REAL" START_BYTE = 196 BYTES = 6 FORMAT = "F6.1" MISSING_CONSTANT = -999.9 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 30 NAME = "STAR_PA" DESCRIPTION = "J2000 position angle of second star, measured from celestial north" UNIT = "DEGREE" DATA_TYPE = "ASCII_REAL" START_BYTE = 203 BYTES = 6 FORMAT = "F6.1" MISSING_CONSTANT = -999.9 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 31 NAME = "FIT_QUAL_CODE" DESCRIPTION = "Quality code for fit: 0 - no fit, no position 1 - no fit, but observations sufficiently reliable to derive an astrometric position of the satellite relative to the star 2 - poor fit 3 - good fit 4 - excellent fit" DATA_TYPE = "ASCII_INTEGER" START_BYTE = 210 BYTES = 1 FORMAT = "I1" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 32 NAME = "MAJOR_AXIS_SD" DESCRIPTION = "Standard deviation of MAJOR_AXIS" UNIT = "KILOMETER" DATA_TYPE = "ASCII_REAL" START_BYTE = 212 BYTES = 6 FORMAT = "F6.1" MISSING_CONSTANT = -999.9 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 33 NAME = "MINOR_AXIS_SD" DESCRIPTION = "Standard deviation of MINOR_AXIS" UNIT = "KILOMETER" DATA_TYPE = "ASCII_REAL" START_BYTE = 219 BYTES = 6 FORMAT = "F6.1" MISSING_CONSTANT = -999.9 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 34 NAME = "MAJOR_AXIS_PA_SD" DESCRIPTION = "Standard deviation of MAJOR_AXIS_PA" UNIT = "DEGREE" DATA_TYPE = "ASCII_REAL" START_BYTE = 226 BYTES = 6 FORMAT = "F6.1" MISSING_CONSTANT = -999.9 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 35 NAME = "STAR_SEP_SD" DESCRIPTION = "Standard deviation of STAR_SEP" UNIT = "MILLIARCSECOND" DATA_TYPE = "ASCII_REAL" START_BYTE = 233 BYTES = 6 FORMAT = "F6.1" MISSING_CONSTANT = -999.9 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 36 NAME = "STAR_PA_SD" DESCRIPTION = "Standard deviation of STAR_PA" UNIT = "DEGREE" DATA_TYPE = "ASCII_REAL" START_BYTE = 240 BYTES = 6 FORMAT = "F6.1" MISSING_CONSTANT = -999.9 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 37 NAME = "ELLIPSE_CENTER_X_SD" DESCRIPTION = "Standard deviation of ELLIPSE_CENTER_X" UNIT = "KILOMETER" DATA_TYPE = "ASCII_REAL" START_BYTE = 247 BYTES = 5 FORMAT = "F5.1" MISSING_CONSTANT = -99.9 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 38 NAME = "ELLIPSE_CENTER_Y_SD" DESCRIPTION = "Standard deviation of ELLIPSE_CENTER_Y" UNIT = "KILOMETER" DATA_TYPE = "ASCII_REAL" START_BYTE = 253 BYTES = 5 FORMAT = "F5.1" MISSING_CONSTANT = -99.9 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 39 NAME = "MISS_FLAG" DESCRIPTION = "Include Miss events in solution? 1 = yes, 0 = no." DATA_TYPE = "ASCII_INTEGER" START_BYTE = 259 BYTES = 1 FORMAT = "I1" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 40 NAME = "MAJOR_FLAG" DESCRIPTION = "Solve for major axis? 1 = yes, 0 = no." DATA_TYPE = "ASCII_INTEGER" START_BYTE = 261 BYTES = 1 FORMAT = "I1" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 41 NAME = "MINOR_FLAG" DESCRIPTION = "Solve for minor axis? 1 = yes, 0 = no." DATA_TYPE = "ASCII_INTEGER" START_BYTE = 263 BYTES = 1 FORMAT = "I1" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 42 NAME = "MAJOR_PA_FLAG" DESCRIPTION = "Solve for position angle of major axis? 1 = yes, 0 = no." DATA_TYPE = "ASCII_INTEGER" START_BYTE = 265 BYTES = 1 FORMAT = "I1" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 43 NAME = "SEP_FLAG" DESCRIPTION = "Solve for separation of second star? 1 = yes, 0 = no." DATA_TYPE = "ASCII_INTEGER" START_BYTE = 267 BYTES = 1 FORMAT = "I1" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 44 NAME = "STAR_PA_FLAG" DESCRIPTION = "Solve for position angle of second star? 1 = yes, 0 = no." DATA_TYPE = "ASCII_INTEGER" START_BYTE = 269 BYTES = 1 FORMAT = "I1" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 45 NAME = "CIRC_FLAG" DESCRIPTION = "Solve for circular solution? 1 = yes, 0 = no." DATA_TYPE = "ASCII_INTEGER" START_BYTE = 271 BYTES = 1 FORMAT = "I1" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 46 NAME = "PLOT_UT" DESCRIPTION = "UT of event used to position the plot during analysis. The plot is the representation of the observations in the analysis program. Its particular relevance is that it sets the initial reference frame for the calculations. The analysis works in the following manner: * The location of the observers on the fundamental plane for each event are referenced to the location of the first observation in the file * The observer locations are adjusted by the geocentric motion of the asteroid or satellite over the time difference from the first observation. This provides a notional reference frame which is fixed with respect to the asteroidor satellite; the centre of this reference frame is defined as the mean of the extremes of the observations in this frame. * The fit of the ellipse is conducted in this reference frame. * The final geocentric coordinates are derived by correcting for the offset of this reference frame from the geocentric reference frame." UNIT = "HOUR" DATA_TYPE = "ASCII_REAL" START_BYTE = 273 BYTES = 11 FORMAT = "F11.6" MISSING_CONSTANT = -999.999999 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 47 NAME = "GEO_EVENT_X" DESCRIPTION = "Geocentric x of ellipse at event time" UNIT = "KILOMETER" DATA_TYPE = "ASCII_REAL" START_BYTE = 285 BYTES = 9 FORMAT = "F9.1" MISSING_CONSTANT = -999999.9 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 48 NAME = "GEO_EVENT_Y" DESCRIPTION = "Geocentric y of ellipse at event time" UNIT = "KILOMETER" DATA_TYPE = "ASCII_REAL" START_BYTE = 295 BYTES = 8 FORMAT = "F8.1" MISSING_CONSTANT = -99999.9 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 49 NAME = "GEO_CONJ_X" DESCRIPTION = "Geocentric x of ellipse at conjunction" UNIT = "KILOMETER" DATA_TYPE = "ASCII_REAL" START_BYTE = 304 BYTES = 10 FORMAT = "F10.1" MISSING_CONSTANT = -9999999.9 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 50 NAME = "GEO_CONJ_Y" DESCRIPTION = "Geocentric y of ellipse at conjunction" UNIT = "KILOMETER" DATA_TYPE = "ASCII_REAL" START_BYTE = 315 BYTES = 8 FORMAT = "F8.1" MISSING_CONSTANT = -99999.9 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 51 NAME = "GEO_CONJ_DIST" DESCRIPTION = "Geocentric distance at conjunction" UNIT = "KILOMETER" DATA_TYPE = "ASCII_REAL" START_BYTE = 324 BYTES = 8 FORMAT = "F8.1" MISSING_CONSTANT = -99999.9 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 52 NAME = "CONJ_TIME" DESCRIPTION = "Date and time at conjunction" DATA_TYPE = "TIME" START_BYTE = 333 BYTES = 22 FORMAT = "A22" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 53 NAME = "GEO_CONJ_SEP" DESCRIPTION = "Apparent geocentric separation of the satellite and the star, at conjunction" UNIT = "ARCSECOND" DATA_TYPE = "ASCII_REAL" START_BYTE = 356 BYTES = 8 FORMAT = "F8.4" MISSING_CONSTANT = -99.9999 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 54 NAME = "GEO_CONJ_PA" DESCRIPTION = "Apparent Geocentric position angle of the satellite relative to the star, at conjunction" UNIT = "DEGREE" DATA_TYPE = "ASCII_REAL" START_BYTE = 365 BYTES = 8 FORMAT = "F8.3" MISSING_CONSTANT = -999.999 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 55 NAME = "CONJ_SEP_ERROR" DESCRIPTION = "Uncertainty in GEO_CONJ_SEP" UNIT = "ARCSECOND" DATA_TYPE = "ASCII_REAL" START_BYTE = 374 BYTES = 6 FORMAT = "F6.1" MISSING_CONSTANT = -999.9 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 56 NAME = "CONJ_TIME_ERROR" DESCRIPTION = "Uncertainty in the UT time of conjunction" UNIT = "DAY" DATA_TYPE = "ASCII_REAL" START_BYTE = 381 BYTES = 9 FORMAT = "F9.7" MISSING_CONSTANT = -.9999999 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 57 NAME = "CHORD_NUM" DESCRIPTION = "Number of chords used in the analysis" DATA_TYPE = "ASCII_INTEGER" START_BYTE = 391 BYTES = 4 FORMAT = "I4" MISSING_CONSTANT = -999 END_OBJECT = COLUMN END_OBJECT = TABLE END