Uranus_2031-04-09T06_04_14.1900_IRTF.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:28:38 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2031-04-09T06:08:06.850 Event type : PgtRgt : Uranus occs: geocentric, topocentric : Ring occs: geocentric, topocentric Observer code : IRTF Location : Mauna Kea/IRTF Latitude (deg) : 19.82622 E. Longitude (deg) : 204.52800 Altitude (km) : 4.168 Gaia source ID : 3415715919175995008 2Mass ID (if available) : 05125622+2306035 ICRS Star Coord at Epoch: 05h 12m 56.23116s +23:06:03.56367s RUWE (>1.4 is poor) : 0.98 K magnitude : 14.933 G magnitude : 17.531 RP magnitude : 16.728 BP magnitude : 18.208 DUPflag : 0 Distance (au) : 19.608 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : 21.02 Sun-Target sep (deg) : 60.42 Sun-Moon sep (deg) : 140.41 B (ring opening deg) : 82.03 PA of pole (deg) : 6.44 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 0.873 C/A sky separation (km) : 12412.3 NAIF SPICE kernels : RAJobs_U111+rgf15.spk URKALLv1.spk ura111.bsp IAU_URANUS_for_RINGFIT.tpc vgr2.ura111.bsp ura161.bsp vgr2.ura161.bsp peph.ura160.bsp earthstns_itrf93_040916.bsp earth_720101_070426.bpc earth_200101_990628_predict.bpc pg3f0000r.bsp pg490000r.bsp naif0012.tls earth_flat_IAU.spk b: ring blocked by planet x: target alt < 5.0 deg or sun > -5.0 deg Ring I/E UTC b? alt alt-sun radius r-dot lat-geo lat-geodetic --------------------------------------------------------------------------------------------------- epsilon I 2031-04-09T05:28:37.999 47.89 -12.55 50758.97 -20.05 lambda I 2031-04-09T05:29:14.521 47.75 -12.69 50026.71 -20.04 delta I 2031-04-09T05:30:40.766 47.42 -13.02 48300.35 -19.99 gamma I 2031-04-09T05:31:14.756 47.29 -13.15 47621.12 -19.97 eta I 2031-04-09T05:31:37.043 47.21 -13.24 47176.12 -19.96 beta I 2031-04-09T05:32:52.263 46.92 -13.52 45676.83 -19.91 alpha I 2031-04-09T05:33:39.155 46.74 -13.70 44743.96 -19.88 4 I 2031-04-09T05:35:26.440 46.33 -14.11 42615.38 -19.79 5 I 2031-04-09T05:35:42.707 46.27 -14.17 42294.82 -19.77 6 I 2031-04-09T05:36:06.306 46.18 -14.26 41829.77 -19.75 Uranus I 2031-04-09T05:50:23.634 42.90 -17.52 25314.32 5.14 5.39 Uranus E 2031-04-09T06:25:58.682 34.76 -25.53 25500.81 2.49 2.61 6 E 2031-04-09T06:40:05.965 31.55 -28.65 41819.43 19.86 5 E 2031-04-09T06:40:22.830 31.48 -28.72 42155.47 19.88 4 E 2031-04-09T06:40:42.198 31.41 -28.79 42540.48 19.91 alpha E 2031-04-09T06:42:30.886 31.00 -29.19 44709.07 20.00 beta E 2031-04-09T06:43:17.461 30.82 -29.36 45641.20 20.03 eta E 2031-04-09T06:44:33.973 30.53 -29.64 47176.12 20.09 gamma E 2031-04-09T06:44:56.627 30.45 -29.72 47631.36 20.10 delta E 2031-04-09T06:45:29.886 30.32 -29.84 48300.35 20.13 lambda E 2031-04-09T06:46:55.554 30.00 -30.15 50026.71 20.18 epsilon E 2031-04-09T06:48:05.428 29.73 -30.41 51437.98 20.19