u102a_irtf_320cm_2200nm_predicted_ring_event_times.txt produced Mon Apr 5 10:37:42 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_u102a_irtf_320cm Event: u102a Planet: Uranus Reference: R. G. French et al. Bulletin of the American Astronomical Society, Vol. 24, p.1029, 1992 Title: Observations of the July 1992 Occultations of U102 and U103 by Uranus and of N4174 by Neptune Computations from: 1992-07-08T09:27:12.8000Z to 1992-07-08T11:15:22.5500Z 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: 22794648 Star number: 22 Star name: U102A Star source catalog: UCAC2 Star RA (deg): 287.525552700 Star Dec (deg): -22.897653900 Star epoch: 2000-01-01T00:00:00.0000Z Star parallax (mas): 0.000000000 Star pm RA (mas/yr): 1.800000000 Star pm Dec (mas/yr): -4.600000000 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): 3.820736388 33.893989435 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 1992-07-08T09:41:27.76Z 1992-07-08T07:07:23.57Z 51143.61 -25.699 89.631 -0.87014 16.463 45.954 -46.315 lambda I 1992-07-08T09:42:11.27Z 1992-07-08T07:08:07.07Z 50026.01 -25.676 287.656 -0.87014 16.719 45.996 -46.360 delta I 1992-07-08T09:43:18.52Z 1992-07-08T07:09:14.33Z 48300.24 -25.637 44.614 -0.87014 17.139 46.061 -46.428 gamma I 1992-07-08T09:43:44.64Z 1992-07-08T07:09:40.44Z 47631.04 -25.620 148.706 -0.87014 17.310 46.086 -46.454 eta I 1992-07-08T09:44:02.41Z 1992-07-08T07:09:58.21Z 47176.07 -25.609 348.939 -0.87013 17.429 46.102 -46.471 beta I 1992-07-08T09:45:01.95Z 1992-07-08T07:10:57.75Z 45650.19 -25.566 303.285 -0.87018 17.846 46.157 -46.529 alpha I 1992-07-08T09:45:39.09Z 1992-07-08T07:11:34.89Z 44696.96 -25.535 50.323 -0.87026 18.120 46.191 -46.565 four I 1992-07-08T09:47:02.55Z 1992-07-08T07:12:58.34Z 42584.58 -25.473 107.107 -0.86993 18.782 46.264 -46.642 five I 1992-07-08T09:47:18.06Z 1992-07-08T07:13:13.86Z 42156.68 -25.441 12.370 -0.87061 18.912 46.278 -46.656 six I 1992-07-08T09:47:29.37Z 1992-07-08T07:13:25.17Z 41875.62 -25.431 154.210 -0.87047 19.008 46.287 -46.667 Atmosphere I 1992-07-08T09:55:19.17Z 46.649 -47.051 Atmosphere E 1992-07-08T10:30:22.27Z 47.244 -47.747 six E 1992-07-08T10:39:07.96Z 1992-07-08T08:05:03.62Z 41812.01 25.434 306.451 -0.87047 171.357 47.125 -47.652 five E 1992-07-08T10:39:27.47Z 1992-07-08T08:05:23.13Z 42312.58 25.453 164.882 -0.87061 171.526 47.119 -47.646 four E 1992-07-08T10:39:37.13Z 1992-07-08T08:05:32.79Z 42579.24 25.479 259.853 -0.86993 171.622 47.116 -47.644 alpha E 1992-07-08T10:41:02.60Z 1992-07-08T08:06:58.25Z 44749.60 25.543 204.409 -0.87026 172.291 47.085 -47.617 beta E 1992-07-08T10:41:38.20Z 1992-07-08T08:07:33.86Z 45664.01 25.572 97.915 -0.87018 172.557 47.072 -47.605 eta E 1992-07-08T10:42:37.23Z 1992-07-08T08:08:32.88Z 47176.36 25.615 144.412 -0.87013 172.971 47.048 -47.584 gamma E 1992-07-08T10:42:54.69Z 1992-07-08T08:08:50.34Z 47623.48 25.626 304.407 -0.87014 173.088 47.041 -47.578 delta E 1992-07-08T10:43:21.11Z 1992-07-08T08:09:16.76Z 48300.72 25.642 200.665 -0.87014 173.261 47.030 -47.568 lambda E 1992-07-08T10:44:28.34Z 1992-07-08T08:10:23.98Z 50026.01 25.681 84.548 -0.87014 173.681 47.001 -47.541 epsilon E 1992-07-08T10:45:18.11Z 1992-07-08T08:11:13.75Z 51304.79 25.708 247.085 -0.87014 173.973 46.978 -47.520 Event geometry at 1992-07-08T10:12:50.0000Z -------------------------------------- Ring opening angle B (deg): -60.47479 Position angle of pole P (deg): 279.74460 Observer-planet distance (km): 2771.366935 x 10^6 Light travel time (sec): 9244.285041