u36_maunakea_380cm_2200nm_predicted_ring_event_times.txt produced Mon Apr 5 08:30:13 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_maunakea_380cm 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: 1987-03-30T12:27:07.8210Z to 1987-04-02T16:02:47.1400Z Observatory name: United Kingdom Infrared Telescope Observatory code file directory: /Volumes/dione_raid2/Research/kernels/ Observatory code file: ObsCodes_pck00010_20200709_Elon+ocobs_v9BJ.obs Observatory code: UKI Observatory abbreviation: maunakea Entry from observatory code file: UKI G +204 31 26.40 +19 49 43.2 4194 UKIRT updated using ukirt_oldhawii2newsystem.pro Telescope: 380cm Instrument: Generic InSb High Speed Photometer Mean wavelength (nm) 2200nm Observatory latitude (deg): 19.828666667 Observatory E longitude (deg): 204.524000000 Observatory altitude (km): 4.194000000 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: -5464.403657783 -2493.037048125 2151.286318566 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 I 1987-03-30T13:19:11.46Z 1987-03-30T10:41:31.73Z 48300.35 -0.473 290.155 -0.97769 206.487 34.995 -41.526 gamma I 1987-03-30T13:43:48.36Z 1987-03-30T11:06:08.77Z 47628.84 -0.435 116.242 -0.97769 206.308 38.476 -36.165 eta I 1987-03-30T14:01:38.15Z 1987-03-30T11:23:58.66Z 47176.17 -0.410 66.641 -0.97769 206.178 40.692 -32.202 beta I 1987-03-30T15:10:00.78Z 1987-03-30T12:32:21.69Z 45659.21 -0.334 84.211 -0.97770 205.722 46.111 -16.597 alpha I 1987-03-30T15:58:32.73Z 1987-03-30T13:20:53.92Z 44739.78 -0.301 128.462 -0.97764 205.484 46.335 -5.292 eta E 1987-04-02T12:30:28.25Z 1987-04-02T09:53:12.81Z 47176.08 1.060 11.556 -0.97769 156.405 29.030 -50.639 gamma E 1987-04-02T12:37:28.83Z 1987-04-02T10:00:13.43Z 47623.93 1.070 61.297 -0.97769 156.534 30.221 -49.282 delta E 1987-04-02T12:47:57.60Z 1987-04-02T10:10:42.26Z 48300.61 1.084 235.321 -0.97769 156.731 31.953 -47.204 lambda E 1987-04-02T13:14:08.48Z 1987-04-02T10:36:53.28Z 50026.01 1.114 23.241 -0.97769 157.242 35.993 -41.804 epsilon E 1987-04-02T13:25:27.59Z 1987-04-02T10:48:12.46Z 50786.10 1.125 333.356 -0.97769 157.470 37.594 -39.396 Event geometry at 1987-04-01T03:06:10.0000Z -------------------------------------- Ring opening angle B (deg): -77.87531 Position angle of pole P (deg): 311.95670 Observer-planet distance (km): 2828.310233 x 10^6 Light travel time (sec): 9434.227437