Uranus_2031-12-19T04_37_10.0900_MCD.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:24:29 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2031-12-19T04:39:07.570 Event type : PgtRgt : Uranus occs: geocentric, topocentric : Ring occs: geocentric, topocentric Observer code : MCD Location : McDonald Obs. 2.7m Latitude (deg) : 30.67158 E. Longitude (deg) : 255.97844 Altitude (km) : 2.075 Gaia source ID : 3404586421959360768 2Mass ID (if available) : 05365159+2329056 ICRS Star Coord at Epoch: 05h 36m 51.59658s +23:29:05.48015s RUWE (>1.4 is poor) : 1.01 K magnitude : 14.689 G magnitude : 18.511 RP magnitude : 17.409 BP magnitude : 19.771 DUPflag : 0 Distance (au) : 18.103 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : -23.43 Sun-Target sep (deg) : 178.07 Sun-Moon sep (deg) : 112.45 B (ring opening deg) : 79.45 PA of pole (deg) : 39.30 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 1.281 C/A sky separation (km) : 16819.7 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 2031-12-19T04:05:27.456 54.06 -52.24 51516.54 -22.59 lambda I 2031-12-19T04:06:33.597 54.29 -52.48 50026.71 -22.48 delta I 2031-12-19T04:07:50.560 54.57 -52.75 48300.35 -22.38 gamma I 2031-12-19T04:08:20.772 54.68 -52.86 47624.96 -22.33 eta I 2031-12-19T04:08:40.885 54.75 -52.93 47176.12 -22.30 beta I 2031-12-19T04:09:48.105 54.99 -53.17 45680.02 -22.19 alpha I 2031-12-19T04:10:30.089 55.14 -53.32 44750.26 -22.12 4 I 2031-12-19T04:12:09.682 55.50 -53.68 42553.61 -21.91 5 I 2031-12-19T04:12:28.344 55.57 -53.75 42155.33 -21.88 6 I 2031-12-19T04:12:42.834 55.62 -53.80 41835.53 -21.86 Uranus I 2031-12-19T04:26:09.109 58.52 -56.69 25000.05 -10.48 -10.97 Uranus E 2031-12-19T04:52:37.149 64.20 -62.36 25559.00 0.00 0.00 6 E 2031-12-19T05:05:56.308 67.03 -65.20 41869.79 21.90 5 E 2031-12-19T05:06:15.810 67.10 -65.27 42295.66 21.93 4 E 2031-12-19T05:06:27.594 67.14 -65.31 42552.72 21.95 alpha E 2031-12-19T05:08:05.046 67.48 -65.65 44704.24 22.17 beta E 2031-12-19T05:08:47.348 67.63 -65.80 45642.73 22.24 eta E 2031-12-19T05:09:56.109 67.87 -66.04 47176.12 22.35 gamma E 2031-12-19T05:10:16.122 67.94 -66.11 47623.82 22.38 delta E 2031-12-19T05:10:46.313 68.05 -66.22 48300.35 22.43 lambda E 2031-12-19T05:12:03.085 68.32 -66.49 50026.71 22.54 epsilon E 2031-12-19T05:12:44.739 68.46 -66.64 50966.72 22.65