Uranus_2031-10-20T01_20_52.7100_SAAO.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:39:23 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2031-10-20T01:23:49.740 Event type : PgtRgt : Uranus occs: geocentric, topocentric : Ring occs: geocentric, topocentric Observer code : SAAO Location : So. Afr. Astro. Obs. (Sutherland) Latitude (deg) : -32.37953 E. Longitude (deg) : 20.81070 Altitude (km) : 1.768 Gaia source ID : 3427632872872654848 2Mass ID (if available) : 05453335+2332104 ICRS Star Coord at Epoch: 05h 45m 33.36178s +23:32:10.36371s RUWE (>1.4 is poor) : 0.95 K magnitude : 13.607 G magnitude : 15.470 RP magnitude : 14.841 BP magnitude : 15.920 DUPflag : 0 Distance (au) : 18.590 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : -8.26 Sun-Target sep (deg) : 119.33 Sun-Moon sep (deg) : 166.00 B (ring opening deg) : 78.04 PA of pole (deg) : 47.29 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 1.524 C/A sky separation (km) : 20550.9 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 2031-10-19T23:55:09.707 22.94 -42.08 51051.96 -7.90 lambda I 2031-10-19T23:57:20.110 23.23 -41.84 50026.71 -7.85 delta I 2031-10-20T00:01:00.870 23.71 -41.41 48300.35 -7.79 gamma I 2031-10-20T00:02:26.828 23.90 -41.25 47631.57 -7.77 eta I 2031-10-20T00:03:25.518 24.02 -41.13 47176.12 -7.75 beta I 2031-10-20T00:06:42.125 24.44 -40.74 45658.32 -7.69 alpha I 2031-10-20T00:08:48.105 24.70 -40.48 44689.82 -7.65 4 I 2031-10-20T00:13:22.918 25.27 -39.90 42606.50 -7.55 5 I 2031-10-20T00:14:01.523 25.34 -39.82 42304.27 -7.53 6 I 2031-10-20T00:15:05.398 25.47 -39.68 41825.28 -7.50 Uranus I 2031-10-20T00:56:11.116 29.82 -33.79 25023.84 -11.67 -12.21 Uranus E 2031-10-20T01:53:09.137 33.53 -24.08 25552.39 -1.27 -1.33 6 E 2031-10-20T02:33:48.922 34.24 -16.43 41808.41 7.60 5 E 2031-10-20T02:34:35.242 34.24 -16.28 42164.21 7.63 4 E 2031-10-20T02:35:29.249 34.24 -16.11 42576.48 7.65 alpha E 2031-10-20T02:40:11.375 34.20 -15.19 44749.83 7.76 beta E 2031-10-20T02:42:10.610 34.18 -14.80 45678.81 7.81 eta E 2031-10-20T02:45:21.633 34.14 -14.18 47176.12 7.87 gamma E 2031-10-20T02:46:18.321 34.12 -14.00 47622.75 7.89 delta E 2031-10-20T02:47:44.087 34.10 -13.71 48300.35 7.91 lambda E 2031-10-20T02:51:21.379 34.03 -13.00 50026.71 7.98 epsilon E 2031-10-20T02:54:25.868 33.96 -12.39 51502.45 8.04