u36_sso_230cm_2200nm_predicted_ring_event_times.txt produced Mon Apr 5 08:20:37 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_u36_sso_230cm Event: u36 Planet: Uranus Reference: J. L. Elliot and 13 colleagues. BAAS 19, 884 (1987) Title: A four-day occultation by Uranus and its rings Computations from: 1987-04-02T14:01:49.6790Z to 1987-04-02T15:07:54.5757Z Observatory name: Siding Spring Observatory Observatory code file directory: /Volumes/dione_raid2/Research/kernels/ Observatory code file: ObsCodes_pck00010_20200709_Elon+ocobs_v9BJ.obs Observatory code: ANU Observatory abbreviation: sso Entry from observatory code file: ANU G +149 03 40.28 -31 16 24.1 1149 ANU 2.3m at Siding Spring pck00010.tpc Telescope: 230cm Instrument: Generic InSb High Speed Photometer Mean wavelength (nm) 2200nm Observatory latitude (deg): -31.273361111 Observatory E longitude (deg): 149.061188889 Observatory altitude (km): 1.149000000 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: -4680.819136016 2805.720615338 -3292.431494411 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: 333-124092 Star number: 114 Star name: U36 Star source catalog: UCAC4 Star RA (deg): 266.624681200 Star Dec (deg): -23.538897000 Star epoch: 2000-01-01T00:00:00.0000Z Star parallax (mas): 0.000000000 Star pm RA (mas/yr): -3.200000000 Star pm Dec (mas/yr): -8.100000000 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): 17.783060768 75.423918081 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) -------------------------------------------------------------------------------------------------------------------------------------- delta E 1987-04-02T14:09:42.42Z 1987-04-02T11:32:27.53Z 48300.58 0.927 242.501 -0.97769 164.020 24.584 -63.589 epsilon E 1987-04-02T14:52:16.92Z 1987-04-02T12:15:02.27Z 50767.90 1.004 339.928 -0.97769 164.131 33.524 -61.587 Event geometry at 1987-04-02T14:01:50.0000Z -------------------------------------- Ring opening angle B (deg): -77.87531 Position angle of pole P (deg): 311.95670 Observer-planet distance (km): 2828.403770 x 10^6 Light travel time (sec): 9434.539443