Uranus_2030-09-07T17_05_16.8700_IRTF.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:28:30 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2030-09-07T17:06:16.580 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 : 3416120749908253184 2Mass ID (if available) : 05262087+2317060 ICRS Star Coord at Epoch: 05h 26m 20.87832s +23:17:05.99780s RUWE (>1.4 is poor) : 0.97 K magnitude : 13.587 G magnitude : 15.957 RP magnitude : 15.161 BP magnitude : 16.614 DUPflag : 0 Distance (au) : 19.280 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : 10.25 Sun-Target sep (deg) : 82.43 Sun-Moon sep (deg) : 151.10 B (ring opening deg) : 80.94 PA of pole (deg) : 27.20 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 1.539 C/A sky separation (km) : 21523.6 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 2030-09-07T15:48:54.969 76.92 -5.25 50974.71 -8.99 lambda I 2030-09-07T15:50:41.043 77.31 -4.84x 50026.71 -8.92 delta I 2030-09-07T15:53:55.484 78.04 -4.08x 48300.35 -8.84 gamma I 2030-09-07T15:55:12.477 78.32 -3.78x 47621.09 -8.81 eta I 2030-09-07T15:56:03.076 78.51 -3.59x 47176.12 -8.78 beta I 2030-09-07T15:58:54.248 79.14 -2.92x 45679.84 -8.70 alpha I 2030-09-07T16:00:47.918 79.55 -2.48x 44694.91 -8.65 4 I 2030-09-07T16:05:00.894 80.47 -1.50x 42527.13 -8.50 5 I 2030-09-07T16:05:42.940 80.62 -1.33x 42162.97 -8.48 6 I 2030-09-07T16:06:24.302 80.77 -1.17x 41819.39 -8.45 Uranus I 2030-09-07T16:44:45.562 86.37 7.82x 24987.81 9.06 9.48 Uranus E 2030-09-07T17:29:16.952 78.60 18.29x 25442.18 4.03 4.22 6 E 2030-09-07T18:07:09.766 70.03 27.20x 41879.70 8.43 5 E 2030-09-07T18:07:59.529 69.84 27.39x 42299.98 8.46 4 E 2030-09-07T18:08:32.961 69.71 27.53x 42583.18 8.48 alpha E 2030-09-07T18:12:46.454 68.75 28.52x 44751.65 8.62 beta E 2030-09-07T18:14:31.140 68.35 28.93x 45657.09 8.68 eta E 2030-09-07T18:17:25.403 67.68 29.61x 47176.12 8.76 gamma E 2030-09-07T18:18:17.195 67.48 29.81x 47630.25 8.78 delta E 2030-09-07T18:19:33.378 67.19 30.11x 48300.35 8.81 lambda E 2030-09-07T18:22:48.423 66.45 30.87x 50026.71 8.89 epsilon E 2030-09-07T18:25:38.310 65.79 31.53x 51542.06 8.96