Uranus_2031-09-13T12_09_08.0900_IRTF.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:28:40 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2031-09-13T11:59:04.370 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 : 3427644112804524160 2Mass ID (if available) : 05452341+2331304 ICRS Star Coord at Epoch: 05h 45m 23.43260s +23:31:30.21568s RUWE (>1.4 is poor) : 0.97 K magnitude : 13.984 G magnitude : 17.337 RP magnitude : 16.352 BP magnitude : 18.384 DUPflag : 0 Distance (au) : 19.193 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : 9.76 Sun-Target sep (deg) : 83.43 Sun-Moon sep (deg) : 47.30 B (ring opening deg) : 78.07 PA of pole (deg) : 47.19 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 1.184 C/A sky separation (km) : 16479.9 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 2031-09-13T10:35:54.920 6.79 -66.10 51545.36 -9.40 lambda I 2031-09-13T10:38:36.661 7.38 -65.97 50026.71 -9.37 delta I 2031-09-13T10:41:41.400 8.05 -65.80 48300.35 -9.32 gamma I 2031-09-13T10:42:53.668 8.31 -65.73 47627.56 -9.30 eta I 2031-09-13T10:43:42.251 8.49 -65.68 47176.12 -9.29 beta I 2031-09-13T10:46:24.165 9.08 -65.50 45677.14 -9.23 alpha I 2031-09-13T10:48:08.356 9.46 -65.37 44716.29 -9.20 4 I 2031-09-13T10:51:57.855 10.30 -65.07 42616.52 -9.12 5 I 2031-09-13T10:52:35.137 10.44 -65.02 42270.69 -9.11 6 I 2031-09-13T10:53:26.702 10.63 -64.95 41806.87 -9.09 Uranus I 2031-09-13T11:25:25.014 17.70 -61.26 25540.13 2.14 2.24 Uranus E 2031-09-13T12:31:44.585 32.62 -49.61 24998.84 -11.92 -12.47 6 E 2031-09-13T13:04:34.957 40.10 -42.82 41879.70 8.82 5 E 2031-09-13T13:05:19.694 40.27 -42.66 42262.40 8.84 4 E 2031-09-13T13:05:50.187 40.39 -42.55 42538.42 8.85 alpha E 2031-09-13T13:09:53.393 41.31 -41.68 44696.67 8.91 beta E 2031-09-13T13:11:39.336 41.72 -41.30 45641.15 8.94 eta E 2031-09-13T13:14:30.805 42.37 -40.69 47176.12 8.98 gamma E 2031-09-13T13:15:21.197 42.56 -40.51 47628.67 8.99 delta E 2031-09-13T13:16:35.884 42.85 -40.24 48300.35 9.00 lambda E 2031-09-13T13:19:47.301 43.58 -39.55 50026.71 9.04 epsilon E 2031-09-13T13:21:10.842 43.89 -39.24 50782.21 9.06