u14_ctio_400cm_880nm_predicted_ring_event_times.txt produced Sun Apr 4 18:50:23 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_ctio_400cm Event: u14 Planet: Uranus Reference: Elliot et al. 1984 Astron J. 89, 1587-1603 Title: Structure of the Uranian Rings. I. Square-Well Model and Particle Size Constraints Computations from: 1982-04-22T01:20:00.0000Z to 1982-04-22T03:20:00.0000Z Observatory name: Cerro Tololo Inter-American Observatory Observatory code file directory: /Volumes/dione_raid2/Research/kernels/ Observatory code file: ObsCodes_pck00010_20200709_Elon+ocobs_v9BJ.obs Observatory code: 807 Observatory abbreviation: ctio Entry from observatory code file: 807 G +289 11 38.80 -30 10 08.9 2380 CTIO 4m - tweaked 2020 Apr 01 to match JPL Horizons pck00010.tpc Telescope: 400cm Instrument: Generic InSb High Speed Photometer Mean wavelength (nm) 880nm Observatory latitude (deg): -30.169138889 Observatory E longitude (deg): 289.194111111 Observatory altitude (km): 2.380000000 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: 1815.108950819 -5214.008358653 -3187.793456948 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): 0.000000000 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 1982-04-22T01:33:22.78Z 1982-04-21T23:03:32.66Z 51466.05 -17.511 141.556 -0.96376 22.946 18.943 -42.853 lambda I 1982-04-22T01:34:45.14Z 1982-04-21T23:04:55.03Z 50026.01 -17.456 31.575 -0.96376 23.498 19.233 -43.143 delta I 1982-04-22T01:36:24.21Z 1982-04-21T23:06:34.10Z 48300.25 -17.383 313.040 -0.96376 24.206 19.581 -43.492 gamma I 1982-04-22T01:37:02.75Z 1982-04-21T23:07:12.65Z 47630.76 -17.351 216.733 -0.96376 24.495 19.717 -43.627 eta I 1982-04-22T01:37:28.96Z 1982-04-21T23:07:38.86Z 47176.23 -17.330 270.850 -0.96377 24.696 19.809 -43.719 beta I 1982-04-22T01:38:57.58Z 1982-04-21T23:09:07.49Z 45644.40 -17.253 326.715 -0.96375 25.406 20.121 -44.031 alpha I 1982-04-22T01:39:51.86Z 1982-04-21T23:10:01.77Z 44706.75 -17.199 290.504 -0.96380 25.869 20.312 -44.221 four I 1982-04-22T01:41:56.52Z 1982-04-21T23:12:06.44Z 42568.52 -17.063 86.551 -0.96388 27.004 20.751 -44.658 five I 1982-04-22T01:42:15.75Z 1982-04-21T23:12:25.67Z 42239.77 -17.042 266.563 -0.96372 27.190 20.819 -44.726 six I 1982-04-22T01:42:41.55Z 1982-04-21T23:12:51.48Z 41798.96 -17.008 25.665 -0.96404 27.445 20.910 -44.816 Atmosphere I 1982-04-22T01:58:43.18Z 24.309 -48.157 Atmosphere E 1982-04-22T02:36:47.48Z 32.471 -55.857 six E 1982-04-22T02:51:54.36Z 1982-04-22T00:22:04.57Z 41877.20 17.135 159.629 -0.96404 161.546 35.725 -58.757 five E 1982-04-22T02:52:10.96Z 1982-04-22T00:22:21.17Z 42174.39 17.160 40.955 -0.96373 161.708 35.785 -58.809 four E 1982-04-22T02:52:36.40Z 1982-04-22T00:22:46.61Z 42605.29 17.189 221.364 -0.96388 161.955 35.877 -58.889 alpha E 1982-04-22T02:54:37.86Z 1982-04-22T00:24:48.08Z 44705.69 17.331 67.591 -0.96380 163.065 36.314 -59.268 beta E 1982-04-22T02:55:33.06Z 1982-04-22T00:25:43.28Z 45666.37 17.389 104.740 -0.96375 163.535 36.513 -59.439 eta E 1982-04-22T02:56:59.72Z 1982-04-22T00:27:09.95Z 47176.13 17.471 50.286 -0.96377 164.236 36.825 -59.708 gamma E 1982-04-22T02:57:25.17Z 1982-04-22T00:27:35.40Z 47621.17 17.494 356.570 -0.96376 164.433 36.916 -59.786 delta E 1982-04-22T02:58:03.96Z 1982-04-22T00:28:14.19Z 48300.46 17.528 93.464 -0.96376 164.726 37.056 -59.906 lambda E 1982-04-22T02:59:42.19Z 1982-04-22T00:29:52.43Z 50026.01 17.607 173.426 -0.96376 165.434 37.410 -60.207 epsilon E 1982-04-22T03:00:40.04Z 1982-04-22T00:30:50.28Z 51045.86 17.650 284.354 -0.96376 165.829 37.619 -60.384 Event geometry at 1982-04-22T02:17:47.0000Z -------------------------------------- Ring opening angle B (deg): -74.52839 Position angle of pole P (deg): 71.13346 Observer-planet distance (km): 2695.056490 x 10^6 Light travel time (sec): 8989.740796