u144_saao_188cm_2220nm_predicted_ring_event_times.txt produced Mon Apr 5 19:00:22 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Bundle ID: uranus_occ_u144_saao_188cm Event: u144 Planet: Uranus Reference: Unpublished Title: Unpublished Computations from: 1997-09-30T20:48:30.0000Z to 1997-09-30T22:11:50.0000Z Observatory name: South African Astronomical Observatory Observatory code file directory: /Volumes/dione_raid2/Research/kernels/ Observatory code file: ObsCodes_pck00010_20200709_Elon+ocobs_v9BJ.obs Observatory code: SAA Observatory abbreviation: saao Entry from observatory code file: SAA G +020 48 38.52 -32 22 46.3 1768 SAAO SUTHERLAND 74" ocobs_v9BJ.tx Telescope: 188cm Instrument: Generic InSb High Speed Photometer Mean wavelength (nm) 2220nm Observatory latitude (deg): -32.379527778 Observatory E longitude (deg): 20.810700000 Observatory altitude (km): 1.768000000 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: 5041.279432685 1916.079799298 -3396.994745721 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: 24243741 Star number: 60 Star name: U144 Star source catalog: UCAC2 Star RA (deg): 307.350520900 Star Dec (deg): -19.670615600 Star epoch: 2000-01-01T00:00:00.0000Z Star parallax (mas): 0.000000000 Star pm RA (mas/yr): -4.200000000 Star pm Dec (mas/yr): -0.400000000 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): 10.650601081 -9.675893390 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 1997-09-30T21:31:30.56Z 1997-09-30T18:50:31.33Z 50820.58 -7.703 36.142 -0.67180 47.473 47.085 -52.217 lambda I 1997-09-30T21:33:14.28Z 1997-09-30T18:52:15.03Z 50026.01 -7.615 23.804 -0.67180 48.232 46.720 -52.356 delta I 1997-09-30T21:37:03.95Z 1997-09-30T18:56:04.68Z 48300.26 -7.405 49.268 -0.67180 49.998 45.913 -52.650 gamma I 1997-09-30T21:38:35.73Z 1997-09-30T18:57:36.44Z 47624.86 -7.315 72.240 -0.67180 50.738 45.590 -52.762 eta I 1997-09-30T21:39:37.26Z 1997-09-30T18:58:37.97Z 47176.38 -7.253 163.366 -0.67181 51.247 45.374 -52.835 beta I 1997-09-30T21:43:10.73Z 1997-09-30T19:02:11.41Z 45650.73 -7.024 58.540 -0.67179 53.086 44.622 -53.078 alpha I 1997-09-30T21:45:22.30Z 1997-09-30T19:04:22.97Z 44739.94 -6.874 231.196 -0.67164 54.277 44.159 -53.219 four I 1997-09-30T21:50:42.00Z 1997-09-30T19:09:42.64Z 42604.77 -6.458 222.339 -0.67209 57.386 43.033 -53.533 five I 1997-09-30T21:51:51.32Z 1997-09-30T19:10:51.94Z 42156.72 -6.359 347.498 -0.67236 58.105 42.788 -53.596 six I 1997-09-30T21:52:43.43Z 1997-09-30T19:11:44.05Z 41806.10 -6.287 317.162 -0.67180 58.680 42.605 -53.642 Event geometry at 1997-09-30T22:11:50.0000Z -------------------------------------- Ring opening angle B (deg): -42.20604 Position angle of pole P (deg): 267.07565 Observer-planet distance (km): 2895.862103 x 10^6 Light travel time (sec): 9659.556222