Uranus_2025-12-27T14_13_19.2400_IRTF.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:28:11 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2025-12-27T14:07:06.880 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 : 57080665119958528 2Mass ID (if available) : 03415715+1927085 ICRS Star Coord at Epoch: 03h 41m 57.14838s +19:27:08.39604s RUWE (>1.4 is poor) : 0.91 K magnitude : 14.152 G magnitude : 18.166 RP magnitude : 16.915 BP magnitude : 19.897 DUPflag : 0 Distance (au) : 18.707 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : -17.12 Sun-Target sep (deg) : 141.99 Sun-Moon sep (deg) : 55.15 B (ring opening deg) : 68.75 PA of pole (deg) : -81.82 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 0.536 C/A sky separation (km) : 7277.2 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 2025-12-27T13:21:32.057 10.66 -48.50 50804.43 -18.09 lambda I 2025-12-27T13:22:15.030 10.50 -48.34 50026.71 -18.09 delta I 2025-12-27T13:23:50.490 10.14 -47.97 48300.35 -18.08 gamma I 2025-12-27T13:24:28.038 10.00 -47.83 47621.78 -18.07 eta I 2025-12-27T13:24:52.708 9.91 -47.73 47176.12 -18.06 beta I 2025-12-27T13:26:17.245 9.59 -47.41 45650.18 -18.04 alpha I 2025-12-27T13:27:10.577 9.39 -47.21 44691.96 -18.03 4 I 2025-12-27T13:29:10.135 8.94 -46.75 42526.73 -18.00 5 I 2025-12-27T13:29:25.285 8.88 -46.69 42245.85 -18.00 6 I 2025-12-27T13:29:46.657 8.80 -46.61 41872.38 -17.98 Uranus I 2025-12-27T13:43:47.539 5.66 -43.41 25053.54 21.19 22.10 Uranus E 2025-12-27T14:30:41.629 -4.69x -32.74 25239.59 -16.60 -17.34 6 E 2025-12-27T14:45:11.998 -7.84x -29.45 41795.97 17.82 5 E 2025-12-27T14:45:37.789 -7.93x -29.36 42252.05 17.83 4 E 2025-12-27T14:45:57.765 -8.00x -29.28 42615.97 17.83 alpha E 2025-12-27T14:47:56.142 -8.43x -28.84 44736.71 17.85 beta E 2025-12-27T14:48:48.427 -8.61x -28.64 45666.12 17.86 eta E 2025-12-27T14:50:12.924 -8.92x -28.32 47176.12 17.87 gamma E 2025-12-27T14:50:38.296 -9.01x -28.23 47629.66 17.88 delta E 2025-12-27T14:51:15.808 -9.14x -28.08 48300.35 17.88 lambda E 2025-12-27T14:52:52.319 -9.49x -27.72 50026.71 17.89 epsilon E 2025-12-27T14:54:09.916 -9.76x -27.43 51415.48 17.89