u14_lco_250cm_2200nm_predicted_ring_event_times.txt produced Sun Apr 4 20:31:39 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_u14_lco_250cm Event: u14 Planet: Uranus Reference: French et al. 1986 Icarus 67, 134-163 Title: Structure of the Uranian rings II. Ring orbits and widths. Computations from: 1982-04-22T01:20:00.0000Z to 1982-04-22T03:20:01.0000Z Observatory name: Las Campanas Observatory Observatory code file directory: /Volumes/dione_raid2/Research/kernels/ Observatory code file: ObsCodes_pck00010_20200709_Elon+ocobs_v9BJ.obs Observatory code: 304 Observatory abbreviation: lco Entry from observatory code file: 304 G +289 17 52.80 -29 00 12.8 2270 Las Campanas Observatory pck00010.tpc Telescope: 250cm Instrument: Generic InSb High Speed Photometer Mean wavelength (nm) 2200nm Observatory latitude (deg): -29.003555556 Observatory E longitude (deg): 289.298000000 Observatory altitude (km): 2.270000000 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: 1845.617303240 -5270.845524126 -3075.346302194 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: 79085 Star number: 56 Star name: U14 Star source catalog: Hipparcos Star RA (deg): 242.149347400 Star Dec (deg): -20.807432480 Star epoch: 1991-04-02T13:30:00.0000Z Star parallax (mas): -6.000000000 Star pm RA (mas/yr): -1.160000000 Star pm Dec (mas/yr): 0.450000000 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): 8.814505696 -21.854856960 Time offset for this obstr./event (sec): 0.057094432 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 1982-04-22T01:33:28.80Z 1982-04-21T23:03:38.74Z 51466.58 -17.499 141.673 -0.96376 23.065 18.776 -43.198 lambda I 1982-04-22T01:34:51.24Z 1982-04-21T23:05:01.19Z 50026.01 -17.444 31.697 -0.96376 23.621 19.069 -43.493 delta I 1982-04-22T01:36:30.38Z 1982-04-21T23:06:40.34Z 48300.25 -17.370 313.165 -0.96376 24.334 19.421 -43.847 gamma I 1982-04-22T01:37:08.96Z 1982-04-21T23:07:18.92Z 47630.75 -17.338 216.861 -0.96376 24.625 19.558 -43.985 eta I 1982-04-22T01:37:35.19Z 1982-04-21T23:07:45.15Z 47176.23 -17.317 270.979 -0.96377 24.828 19.651 -44.079 beta I 1982-04-22T01:39:03.89Z 1982-04-21T23:09:13.85Z 45644.38 -17.237 326.860 -0.96375 25.543 19.967 -44.395 alpha I 1982-04-22T01:39:58.21Z 1982-04-21T23:10:08.18Z 44706.68 -17.184 290.641 -0.96380 26.009 20.160 -44.589 four I 1982-04-22T01:42:02.98Z 1982-04-21T23:12:12.96Z 42568.64 -17.046 86.695 -0.96388 27.153 20.604 -45.033 five I 1982-04-22T01:42:22.25Z 1982-04-21T23:12:32.23Z 42239.56 -17.025 266.708 -0.96372 27.341 20.673 -45.102 six I 1982-04-22T01:42:48.07Z 1982-04-21T23:12:58.05Z 41799.01 -16.990 25.812 -0.96404 27.597 20.765 -45.193 Atmosphere I 1982-04-22T01:58:52.15Z 24.206 -48.599 Atmosphere E 1982-04-22T02:36:48.12Z 32.416 -56.422 six E 1982-04-22T02:51:55.50Z 1982-04-22T00:22:05.77Z 41877.16 17.117 159.462 -0.96404 161.383 35.710 -59.400 five E 1982-04-22T02:52:12.11Z 1982-04-22T00:22:22.37Z 42174.25 17.142 40.789 -0.96373 161.546 35.771 -59.453 four E 1982-04-22T02:52:37.59Z 1982-04-22T00:22:47.85Z 42605.37 17.174 221.214 -0.96388 161.795 35.863 -59.535 alpha E 1982-04-22T02:54:39.15Z 1982-04-22T00:24:49.42Z 44705.61 17.316 67.435 -0.96380 162.913 36.305 -59.925 beta E 1982-04-22T02:55:34.39Z 1982-04-22T00:25:44.67Z 45666.31 17.374 104.587 -0.96375 163.387 36.506 -60.102 eta E 1982-04-22T02:57:01.12Z 1982-04-22T00:27:11.41Z 47176.13 17.459 50.149 -0.96377 164.093 36.822 -60.378 gamma E 1982-04-22T02:57:26.60Z 1982-04-22T00:27:36.88Z 47621.17 17.481 356.424 -0.96376 164.291 36.915 -60.458 delta E 1982-04-22T02:58:05.41Z 1982-04-22T00:28:15.70Z 48300.46 17.515 93.320 -0.96376 164.587 37.056 -60.581 lambda E 1982-04-22T02:59:43.70Z 1982-04-22T00:29:54.00Z 50026.01 17.596 173.287 -0.96376 165.300 37.414 -60.892 epsilon E 1982-04-22T03:00:41.64Z 1982-04-22T00:30:51.94Z 51046.76 17.640 284.227 -0.96376 165.698 37.625 -61.074 Event geometry at 1982-04-22T02:17:51.0000Z -------------------------------------- Ring opening angle B (deg): -74.52839 Position angle of pole P (deg): 71.13346 Observer-planet distance (km): 2695.056470 x 10^6 Light travel time (sec): 8989.740730