Uranus_2031-12-23T09_04_50.3900_AAT.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:37:18 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2031-12-23T09:08:38.070 Event type : PRgt : Uranus occs: not geocentric or topocentric : Ring occs: geocentric, topocentric Observer code : AAT Location : Siding Spring (AAT) Latitude (deg) : -31.27703 E. Longitude (deg) : 149.06608 Altitude (km) : 1.164 Gaia source ID : 3404506539865133952 2Mass ID (if available) : 05360485+2328451 ICRS Star Coord at Epoch: 05h 36m 04.86355s +23:28:45.03528s RUWE (>1.4 is poor) : 2.21 K magnitude : 11.941 G magnitude : 13.554 RP magnitude : 13.010 BP magnitude : 13.920 DUPflag : 0 Distance (au) : 18.108 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : -23.25 Sun-Target sep (deg) : 173.64 Sun-Moon sep (deg) : 54.15 B (ring opening deg) : 79.56 PA of pole (deg) : 38.49 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 1.839 C/A sky separation (km) : 24147.7 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 2031-12-23T08:36:24.568 0.12x 5.16x 51304.70 -20.61 lambda I 2031-12-23T08:37:26.576 0.31x 4.96x 50026.71 -20.53 delta I 2031-12-23T08:38:51.130 0.58x 4.68x 48300.35 -20.30 gamma I 2031-12-23T08:39:24.286 0.69x 4.58x 47628.94 -20.20 eta I 2031-12-23T08:39:46.741 0.76x 4.50x 47176.12 -20.13 beta I 2031-12-23T08:41:01.541 0.99x 4.26x 45679.24 -19.88 alpha I 2031-12-23T08:41:49.402 1.14x 4.11x 44731.79 -19.71 4 I 2031-12-23T08:43:39.178 1.49x 3.75x 42590.25 -19.30 5 I 2031-12-23T08:44:00.770 1.56x 3.68x 42174.95 -19.21 6 I 2031-12-23T08:44:20.158 1.62x 3.62x 41804.46 -19.10 Uranus I 2031-12-23T09:03:01.573 5.09 0.04x 25399.30 5.45 5.71 Uranus E 2031-12-23T09:13:28.678 6.99 -1.93x 25087.71 9.48 9.92 6 E 2031-12-23T09:32:20.328 10.33 -5.42 41821.96 19.16 5 E 2031-12-23T09:32:45.292 10.40 -5.49 42305.09 19.27 4 E 2031-12-23T09:33:01.302 10.45 -5.54 42603.33 19.36 alpha E 2031-12-23T09:34:47.464 10.76 -5.86 44684.62 19.78 beta E 2031-12-23T09:35:35.848 10.90 -6.01 45645.52 19.96 eta E 2031-12-23T09:36:52.026 11.12 -6.24 47176.12 20.21 gamma E 2031-12-23T09:37:14.399 11.18 -6.31 47629.04 20.28 delta E 2031-12-23T09:37:47.420 11.28 -6.40 48300.35 20.38 lambda E 2031-12-23T09:39:11.633 11.52 -6.66 50026.71 20.62 epsilon E 2031-12-23T09:39:46.612 11.62 -6.76 50749.47 20.69