u25_ctio_400cm_2200nm_predicted_ring_event_times.txt produced Mon Apr 5 00:46:51 2021 using rfrench@Achilles.fios-router.home:/Volumes/PromisePegasus28TB_backup/dione_raid2/Research/uranus/PDART2014/programs/pro_occinfo2geom_plots_pds4_v7.pro Bundle ID: uranus_occ_u25_ctio_400cm Event: u25 Planet: Uranus Reference: French et al. 1988 Icarus 73, 349-378 Title: Uranian ring orbits from earth-based and Voyager occultation observations. Computations from: 1985-05-24T07:48:00.0010Z to 1985-05-24T08:47:00.0010Z Observatory name: Cerro Tololo Inter-American Observatory Observatory code file directory: /Volumes/dione_raid2/Research/kernels/ Observatory code file: ObsCodes_pck00010_20200709_Elon+ocobs_v9BJ.obs Observatory code: 807 Observatory abbreviation: ctio Entry from observatory code file: 807 G +289 11 38.80 -30 10 08.9 2380 CTIO 4m - tweaked 2020 Apr 01 to match JPL Horizons pck00010.tpc Telescope: 400cm Instrument: Generic InSb High Speed Photometer Mean wavelength (nm) 2200nm Observatory latitude (deg): -30.169138889 Observatory E longitude (deg): 289.194111111 Observatory altitude (km): 2.380000000 Ellipsoid source: /Volumes/dione_raid2/Research/kernels/pck00010.tpc Observatory reference frame: ITRF93 Earth equatorial radius (km): 6378.136600000 Earth 1/flattening: 298.257006177 Topocentric position vector: 1815.108950819 -5214.008358653 -3187.793456948 Leapsecond kernel file: /Volumes/dione_raid2/Research/kernels/naif0012.tls Star catalog directory: /Volumes/dione_raid2/Research/RINGFIT/stars/data/ Star catalog file: ustarsALLd.v3.merged.sortedA.csv Star catalog ID: 22734194 Star number: 87 Star name: U25 Star source catalog: UCAC2 Star RA (deg): 255.590005300 Star Dec (deg): -22.807145900 Star epoch: 2000-01-01T00:00:00.0000Z Star parallax (mas): 0.000000000 Star pm RA (mas/yr): 5.500000000 Star pm Dec (mas/yr): -23.500000000 Star catalog positions in frame: J2000 Star frame for calculations: J2000 Heliocentric frame for calculations: J2000 Ringfit savefile directory: /Volumes/dione_raid2/Research/RINGFIT/tests/Uranus/Ur017L/savefiles/ Ringfit savefile for star/time offsets: ringfit_v1.8.Ur017L-RF-V0204.sav Ringfit output file directory: /Volumes/dione_raid2/Research/RINGFIT/tests/Uranus/Ur017L/outfiles/ Ringfit output file: ringfit_v1.8.Ur017L-RF-V0204.out Star offsets dRA,dDec (mas): 64.047842329 -291.804001671 Time offset for this obstr./event (sec): 0.000000000 Kernel directory: /Volumes/dione_raid2/Research/kernels/ ../../../../kernels/ura111.bsp ../../../../kernels/vgr2.ura111.bsp ../../../../kernels/earthstns_itrf93_040916.bsp ../../../../kernels/earth_720101_031229.bpc ../../../../kernels/pg3f0000r.bsp ../../../../kernels/pg490000r.bsp ../../../../kernels/naif0012.tls /Volumes/dione_raid2/Research/RINGFIT/tests/Uranus/Ur017L/savefiles/../kernels/RAJobs_U111+rgf9.spk /Volumes/dione_raid2/Research/RINGFIT/tests/Uranus/Ur017L/savefiles/../kernels/URKALLv1.spk /Volumes/dione_raid2/Research/kernels/uranus_ringframes_rfrench20201201_v1.tf /Volumes/dione_raid2/Research/kernels/pck00010.tpc Predicted Ring/Atmosphere Occultation Events -------------------------------------------------------------------------------------------------------------------------------------- Ring I/E ------ UTC(Earth) ----- ----- UTC(@ring) ------ R(model) R-dot Anomaly Sin B Ulon Alt(deg) Sun(deg) -------------------------------------------------------------------------------------------------------------------------------------- epsilon I 1985-05-24T07:50:14.83Z 1985-05-24T05:19:47.03Z 50765.27 -15.747 341.047 -0.99073 320.571 59.458 -46.369 lambda I 1985-05-24T07:51:02.11Z 1985-05-24T05:20:34.31Z 50026.01 -15.519 105.156 -0.99073 319.736 59.288 -46.199 delta I 1985-05-24T07:52:55.38Z 1985-05-24T05:22:27.58Z 48300.57 -14.932 116.372 -0.99073 317.633 58.881 -45.791 gamma I 1985-05-24T07:53:41.21Z 1985-05-24T05:23:13.42Z 47621.84 -14.679 330.651 -0.99073 316.740 58.716 -45.626 eta I 1985-05-24T07:54:11.76Z 1985-05-24T05:23:43.96Z 47176.11 -14.504 319.297 -0.99073 316.130 58.606 -45.516 beta I 1985-05-24T07:55:57.79Z 1985-05-24T05:25:30.00Z 45672.47 -13.851 123.858 -0.99072 313.923 58.225 -45.134 alpha I 1985-05-24T07:57:07.93Z 1985-05-24T05:26:40.14Z 44717.90 -13.384 271.255 -0.99070 312.382 57.972 -44.882 four I 1985-05-24T07:59:58.31Z 1985-05-24T05:29:30.52Z 42538.29 -12.119 316.721 -0.99078 308.365 57.359 -44.268 five I 1985-05-24T08:00:27.42Z 1985-05-24T05:29:59.63Z 42186.41 -11.885 52.743 -0.99085 307.639 57.254 -44.163 six I 1985-05-24T08:00:59.32Z 1985-05-24T05:30:31.53Z 41821.91 -11.622 68.812 -0.99060 306.821 57.139 -44.048 six E 1985-05-24T08:34:20.52Z 1985-05-24T06:03:52.78Z 41794.94 11.590 5.135 -0.99060 243.209 49.915 -36.850 five E 1985-05-24T08:34:51.77Z 1985-05-24T06:04:24.03Z 42156.73 11.851 347.453 -0.99085 242.410 49.803 -36.738 four E 1985-05-24T08:35:27.49Z 1985-05-24T06:04:59.75Z 42586.89 12.140 249.808 -0.99078 241.521 49.673 -36.610 alpha E 1985-05-24T08:38:16.89Z 1985-05-24T06:07:49.15Z 44751.26 13.381 196.343 -0.99070 237.540 49.062 -36.002 beta E 1985-05-24T08:39:22.82Z 1985-05-24T06:08:55.09Z 45647.24 13.816 45.964 -0.99072 236.094 48.823 -35.765 eta E 1985-05-24T08:41:10.91Z 1985-05-24T06:10:43.18Z 47176.32 14.477 236.941 -0.99073 233.847 48.433 -35.377 gamma E 1985-05-24T08:41:41.97Z 1985-05-24T06:11:14.24Z 47628.56 14.651 247.082 -0.99073 233.229 48.321 -35.266 delta E 1985-05-24T08:42:27.42Z 1985-05-24T06:11:59.69Z 48300.20 14.905 31.024 -0.99073 232.345 48.157 -35.103 lambda E 1985-05-24T08:44:20.98Z 1985-05-24T06:13:53.25Z 50026.01 15.486 15.611 -0.99073 230.242 47.747 -34.696 epsilon E 1985-05-24T08:45:41.64Z 1985-05-24T06:15:13.91Z 51290.32 15.864 249.259 -0.99073 228.835 47.455 -34.407 Event geometry at 1985-05-24T08:17:37.0000Z -------------------------------------- Ring opening angle B (deg): -82.19387 Position angle of pole P (deg): 12.32333 Observer-planet distance (km): 2706.439144 x 10^6 Light travel time (sec): 9027.709242