u149_irtf_320cm_2200nm_predicted_ring_event_times.txt produced Mon Apr 5 19:18:16 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_u149_irtf_320cm Event: u149 Planet: Uranus Reference: Icarus 153, 236–247 (2001) Title: Uranus after Solstice: Results from the 1998 November 6 Occultation Computations from: 1998-11-06T04:38:18.4919Z to 1998-11-06T05:52:29.2668Z Observatory name: IRTF Observatory code file directory: /Volumes/dione_raid2/Research/kernels/ Observatory code file: ObsCodes_pck00010_20200709_Elon+ocobs_v9BJ.obs Observatory code: 568 Observatory abbreviation: irtf Entry from observatory code file: 568 G +204 31 40.08 +19 49 34.0 4212 Mauna Kea pck00010.tpc Telescope: 320cm Instrument: Generic InSb High Speed Photometer Mean wavelength (nm) 2200nm Observatory latitude (deg): 19.826111111 Observatory E longitude (deg): 204.527800000 Observatory altitude (km): 4.212000000 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: -5464.341062821 -2493.446346975 2151.026113131 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: 20462044-1838345 Star number: 62 Star name: U149 Star source catalog: 2MASS Star RA (deg): 311.585179000 Star Dec (deg): -18.642933000 Star epoch: 2000-01-01T00:00:00.0000Z Star parallax (mas): 0.000000000 Star pm RA (mas/yr): 0.000000000 Star pm Dec (mas/yr): 0.000000000 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): 27.522308438 -45.037005610 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) -------------------------------------------------------------------------------------------------------------------------------------- Atmosphere E 1998-11-06T05:08:20.53Z 48.716 -19.749 six E 1998-11-06T05:11:31.64Z 1998-11-06T02:25:43.84Z 41845.52 13.039 258.823 -0.61800 28.725 48.426 -20.484 five E 1998-11-06T05:11:56.40Z 1998-11-06T02:26:08.59Z 42168.66 13.050 325.791 -0.61833 28.521 48.388 -20.580 four E 1998-11-06T05:12:28.71Z 1998-11-06T02:26:40.89Z 42600.01 13.085 230.633 -0.61809 28.255 48.337 -20.705 alpha E 1998-11-06T05:15:06.84Z 1998-11-06T02:29:19.02Z 44695.46 13.217 46.915 -0.61785 27.041 48.084 -21.315 beta E 1998-11-06T05:16:18.42Z 1998-11-06T02:30:30.59Z 45652.11 13.272 296.955 -0.61771 26.528 47.967 -21.592 eta E 1998-11-06T05:18:12.62Z 1998-11-06T02:32:24.79Z 47176.33 13.350 131.190 -0.61766 25.754 47.776 -22.033 gamma E 1998-11-06T05:18:46.11Z 1998-11-06T02:32:58.28Z 47624.10 13.371 63.354 -0.61765 25.537 47.719 -22.162 delta E 1998-11-06T05:19:36.60Z 1998-11-06T02:33:48.76Z 48300.29 13.402 57.958 -0.61765 25.217 47.633 -22.357 lambda E 1998-11-06T05:21:45.01Z 1998-11-06T02:35:57.17Z 50026.01 13.475 128.610 -0.61765 24.443 47.410 -22.854 epsilon E 1998-11-06T05:23:38.13Z 1998-11-06T02:37:50.27Z 51553.51 13.534 185.352 -0.61765 23.803 47.209 -23.291 Event geometry at 1998-11-06T04:38:18.0000Z -------------------------------------- Ring opening angle B (deg): -38.14472 Position angle of pole P (deg): 265.05175 Observer-planet distance (km): 2982.382603 x 10^6 Light travel time (sec): 9948.157545