Uranus_2030-09-17T14_37_44.2600_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 : 2030-09-17T14:29:01.960 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 : 3416211146085463040 2Mass ID (if available) : 05265561+2317391 ICRS Star Coord at Epoch: 05h 26m 55.59919s +23:17:38.76439s RUWE (>1.4 is poor) : 0.94 K magnitude : 14.336 G magnitude : 18.814 RP magnitude : 17.578 BP magnitude : 19.967 DUPflag : 0 Distance (au) : 19.111 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : 5.35 Sun-Target sep (deg) : 91.92 Sun-Moon sep (deg) : 22.20 B (ring opening deg) : 80.87 PA of pole (deg) : 27.97 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 1.271 C/A sky separation (km) : 17619.2 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 2030-09-17T11:52:25.705 31.65 -57.87 50814.40 -4.90 lambda I 2030-09-17T11:55:06.577 32.25 -57.39 50026.71 -4.89 delta I 2030-09-17T12:01:01.097 33.60 -56.30 48300.35 -4.85 gamma I 2030-09-17T12:03:21.340 34.13 -55.86 47621.18 -4.83 eta I 2030-09-17T12:04:53.491 34.48 -55.57 47176.12 -4.82 beta I 2030-09-17T12:10:06.091 35.67 -54.57 45673.84 -4.79 alpha I 2030-09-17T12:13:33.014 36.45 -53.90 44686.07 -4.76 4 I 2030-09-17T12:21:07.035 38.18 -52.41 42537.07 -4.70 5 I 2030-09-17T12:22:28.594 38.49 -52.14 42154.85 -4.69 6 I 2030-09-17T12:23:43.280 38.77 -51.89 41803.69 -4.68 Uranus I 2030-09-17T13:27:11.948 53.33 -38.36 25542.50 -1.52 -1.59 Uranus E 2030-09-17T15:29:17.790 81.11 -10.34 25010.43 -8.94 -9.35 6 E 2030-09-17T16:36:59.642 81.53 5.56x 41838.79 4.40 5 E 2030-09-17T16:38:41.826 81.17 5.96x 42288.79 4.41 4 E 2030-09-17T16:39:55.091 80.91 6.25x 42616.14 4.42 alpha E 2030-09-17T16:47:51.314 79.19 8.12x 44733.77 4.46 beta E 2030-09-17T16:51:14.400 78.44 8.91x 45641.15 4.48 eta E 2030-09-17T16:56:56.016 77.17 10.25x 47176.12 4.51 gamma E 2030-09-17T16:58:36.865 76.80 10.65x 47631.02 4.51 delta E 2030-09-17T17:01:04.967 76.24 11.23x 48300.35 4.52 lambda E 2030-09-17T17:07:25.486 74.81 12.72x 50026.71 4.55 epsilon E 2030-09-17T17:11:54.780 73.80 13.77x 51253.89 4.55