u13_sso_390cm_2200nm_predicted_ring_event_times.txt produced Mon Apr 19 18:55:48 2021 using rfrench@Achilles.local:/Volumes/PromisePegasus28TB_backup/dione_raid2/Research/uranus/PDART2014/programs/pro_occinfo2geom_plots_pds4_v7.pro Bundle ID: uranus_occ_u13_sso_390cm Event: u13 Planet: Uranus Reference: French et al. 1986 Icarus 67, 134-163 Title: Structure of the Uranian rings II. Ring orbits and widths. Computations from: 1981-04-26T19:00:34.4340Z to 1981-04-26T20:27:56.3420Z Observatory name: Siding Spring Observatory Observatory code file directory: /Volumes/dione_raid2/Research/kernels/ Observatory code file: ObsCodes_pck00010_20200319_Elon+ocobs_v9BJ.obs Observatory code: 413 Observatory abbreviation: sso Entry from observatory code file: 413 G +149 03 57.89 -31 16 37.4 1164 Siding Spring Observatory pck00010.tpc Telescope: 390cm Instrument: Generic InSb High Speed Photometer Mean wavelength (nm) 2200nm Observatory latitude (deg): -31.277055556 Observatory E longitude (deg): 149.066080556 Observatory altitude (km): 1.164000000 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: -4680.887217216 2805.218233092 -3292.789439636 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: 77434 Star number: 43 Star name: U13 Star source catalog: Hipparcos Star RA (deg): 237.106435600 Star Dec (deg): -19.774024460 Star epoch: 1991-04-02T13:30:00.0000Z Star parallax (mas): -0.370000000 Star pm RA (mas/yr): -8.050000000 Star pm Dec (mas/yr): 2.950000000 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): -3.158232885 22.470337537 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 1981-04-26T19:11:10.04Z 1981-04-26T16:42:29.83Z 51111.68 -20.250 274.897 -0.94089 25.150 39.782 -17.674 lambda I 1981-04-26T19:12:03.73Z 1981-04-26T16:43:23.53Z 50026.01 -20.190 204.580 -0.94089 25.603 39.590 -17.484 delta I 1981-04-26T19:13:29.39Z 1981-04-26T16:44:49.19Z 48300.69 -20.086 211.497 -0.94089 26.368 39.284 -17.181 gamma I 1981-04-26T19:14:02.83Z 1981-04-26T16:45:22.63Z 47629.96 -20.043 130.606 -0.94089 26.681 39.165 -17.062 eta I 1981-04-26T19:14:25.47Z 1981-04-26T16:45:45.28Z 47176.37 -20.012 205.394 -0.94089 26.899 39.084 -16.982 beta I 1981-04-26T19:15:42.38Z 1981-04-26T16:47:02.19Z 45642.24 -19.902 340.633 -0.94088 27.668 38.810 -16.710 alpha I 1981-04-26T19:16:30.50Z 1981-04-26T16:47:50.32Z 44684.70 -19.827 0.151 -0.94084 28.179 38.638 -16.539 four I 1981-04-26T19:18:19.23Z 1981-04-26T16:49:39.05Z 42545.35 -19.641 304.897 -0.94081 29.404 38.250 -16.155 five I 1981-04-26T19:18:31.02Z 1981-04-26T16:49:50.84Z 42305.54 -19.612 151.407 -0.94118 29.557 38.207 -16.113 six I 1981-04-26T19:18:56.57Z 1981-04-26T16:50:16.40Z 41814.05 -19.568 303.117 -0.94096 29.856 38.116 -16.023 Atmosphere I 1981-04-26T19:32:53.28Z 35.134 -13.072 Atmosphere E 1981-04-26T20:05:01.64Z 28.271 -6.314 six E 1981-04-26T20:17:50.43Z 1981-04-26T17:49:10.46Z 41825.36 19.496 73.740 -0.94095 160.594 25.552 -3.648 five E 1981-04-26T20:18:11.01Z 1981-04-26T17:49:31.05Z 42217.47 19.526 282.582 -0.94118 160.843 25.479 -3.577 four E 1981-04-26T20:18:27.72Z 1981-04-26T17:49:47.76Z 42560.62 19.565 76.425 -0.94081 161.044 25.420 -3.520 alpha E 1981-04-26T20:20:18.77Z 1981-04-26T17:51:38.81Z 44742.32 19.748 134.173 -0.94084 162.297 25.028 -3.136 beta E 1981-04-26T20:21:05.74Z 1981-04-26T17:52:25.79Z 45669.97 19.819 115.668 -0.94088 162.791 24.862 -2.974 eta E 1981-04-26T20:22:21.56Z 1981-04-26T17:53:41.61Z 47176.08 19.923 341.954 -0.94089 163.546 24.595 -2.712 gamma E 1981-04-26T20:22:44.17Z 1981-04-26T17:54:04.22Z 47626.71 19.953 267.610 -0.94089 163.762 24.515 -2.634 delta E 1981-04-26T20:23:17.89Z 1981-04-26T17:54:37.95Z 48300.16 19.994 349.120 -0.94089 164.077 24.396 -2.518 lambda E 1981-04-26T20:24:43.99Z 1981-04-26T17:56:04.05Z 50026.01 20.094 343.743 -0.94089 164.842 24.092 -2.222 epsilon E 1981-04-26T20:25:28.12Z 1981-04-26T17:56:48.18Z 50913.87 20.141 54.887 -0.94089 165.215 23.937 -2.070 Event geometry at 1981-04-26T19:48:57.0000Z -------------------------------------- Ring opening angle B (deg): -70.20122 Position angle of pole P (deg): 79.77306 Observer-planet distance (km): 2674.146234 x 10^6 Light travel time (sec): 8919.991691