Uranus_2031-09-13T12_09_08.0900_MCD.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:24:24 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2031-09-13T12:06:15.900 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 : 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) : 47.24 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 (") : 1.216 C/A sky separation (km) : 16923.9 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 2031-09-13T10:40:43.712 55.23 -25.65 51543.69 -9.05 lambda I 2031-09-13T10:43:31.565 55.84 -25.08 50026.71 -9.02 delta I 2031-09-13T10:46:43.504 56.53 -24.44 48300.35 -8.97 gamma I 2031-09-13T10:47:58.581 56.80 -24.19 47627.66 -8.95 eta I 2031-09-13T10:48:49.072 56.98 -24.02 47176.12 -8.94 beta I 2031-09-13T10:51:37.345 57.58 -23.45 45676.90 -8.89 alpha I 2031-09-13T10:53:25.669 57.97 -23.09 44715.62 -8.85 4 I 2031-09-13T10:57:24.126 58.83 -22.28 42616.47 -8.77 5 I 2031-09-13T10:58:02.731 58.97 -22.15 42272.17 -8.76 6 I 2031-09-13T10:58:56.402 59.16 -21.96 41807.49 -8.74 Uranus I 2031-09-13T11:32:18.201 66.30 -15.07 25546.31 1.75 1.84 Uranus E 2031-09-13T12:39:01.486 79.53 -0.90x 24999.33 -11.91 -12.46 6 E 2031-09-13T13:12:51.759 83.03 6.37x 41879.70 8.63 5 E 2031-09-13T13:13:37.489 83.03 6.54x 42262.34 8.65 4 E 2031-09-13T13:14:08.660 83.03 6.65x 42538.39 8.65 alpha E 2031-09-13T13:18:17.090 82.97 7.54x 44696.71 8.73 beta E 2031-09-13T13:20:05.206 82.90 7.93x 45641.15 8.76 eta E 2031-09-13T13:23:00.090 82.75 8.56x 47176.12 8.80 gamma E 2031-09-13T13:23:51.460 82.70 8.74x 47628.65 8.82 delta E 2031-09-13T13:25:07.576 82.61 9.02x 48300.35 8.83 lambda E 2031-09-13T13:28:22.542 82.33 9.71x 50026.71 8.88 epsilon E 2031-09-13T13:29:47.517 82.20 10.02x 50781.62 8.90